diff --git a/packages/dina-ui/components/workbook/column-mapping/WorkbookColumnMapping.tsx b/packages/dina-ui/components/workbook/column-mapping/WorkbookColumnMapping.tsx
index 3c75b81c1..1c6edefed 100644
--- a/packages/dina-ui/components/workbook/column-mapping/WorkbookColumnMapping.tsx
+++ b/packages/dina-ui/components/workbook/column-mapping/WorkbookColumnMapping.tsx
@@ -139,12 +139,20 @@ export function WorkbookColumnMapping({
       const values = Object.keys(
         (columnUniqueValues ?? {})[sheet]?.[columnName] || {}
       );
-      if (!relationshipMapping[columnName] && values.length > 0) {
+
+      if (Array.isArray(relationshipMapping[columnName])) {
+        if (!relationshipMapping[columnName].length) {
+          unmappedColumnNames.push(
+            workbookColumnMap[columnName].originalColumnName
+          );
+        }
+      } else if (!relationshipMapping[columnName] && values.length > 0) {
         unmappedColumnNames.push(
           workbookColumnMap[columnName].originalColumnName
         );
       } else {
         const mappedValues = Object.keys(relationshipMapping[columnName] || {});
+
         for (const value of values) {
           if (mappedValues.indexOf(value.replace(".", "_")) === -1) {
             unmappedColumnNames.push(
@@ -530,12 +538,11 @@ export function WorkbookColumnMapping({
   async function onRelatedRecordChange(
     columnHeader: string,
     fieldValue: string,
-    relatedRecord: string,
+    relatedRecord: string | string[],
     targetType: string
   ) {
     const columnHeaderFormatted = columnHeader.replaceAll(".", "_");
     const fieldValueFormatted = fieldValue.replaceAll(".", "_");
-
     if (relationshipMapping) {
       // Check if the dropdown option selected is undefined (was cleared)
       if (!relatedRecord) {
@@ -546,16 +553,30 @@ export function WorkbookColumnMapping({
           setRelationshipMapping(updatedMapping);
         }
       } else {
-        setRelationshipMapping({
-          ...relationshipMapping,
-          [columnHeaderFormatted]: {
-            ...relationshipMapping?.[columnHeaderFormatted],
-            [fieldValueFormatted]: {
-              id: relatedRecord,
-              type: targetType
+        if (Array.isArray(relatedRecord)) {
+          const newValue = relatedRecord.map((id) => ({
+            id,
+            type: targetType
+          }));
+          setRelationshipMapping({
+            ...relationshipMapping,
+            [columnHeaderFormatted]: {
+              ...relationshipMapping?.[columnHeaderFormatted],
+              [fieldValueFormatted]: newValue
             }
-          }
-        });
+          });
+        } else {
+          setRelationshipMapping({
+            ...relationshipMapping,
+            [columnHeaderFormatted]: {
+              ...relationshipMapping?.[columnHeaderFormatted],
+              [fieldValueFormatted]: {
+                id: relatedRecord,
+                type: targetType
+              }
+            }
+          });
+        }
       }
     }
   }
diff --git a/packages/dina-ui/components/workbook/column-mapping/useColumnMapping.tsx b/packages/dina-ui/components/workbook/column-mapping/useColumnMapping.tsx
index aa5d929f9..039fd1e39 100644
--- a/packages/dina-ui/components/workbook/column-mapping/useColumnMapping.tsx
+++ b/packages/dina-ui/components/workbook/column-mapping/useColumnMapping.tsx
@@ -6,6 +6,7 @@ import {
   Tooltip,
   filterBy,
   useApiClient,
+  useDinaFormContext,
   useQuery
 } from "../../../../common-ui/lib";
 import { useDinaIntl } from "../../../intl/dina-ui-intl";
@@ -20,6 +21,7 @@ import FieldMappingConfig from "../utils/FieldMappingConfig";
 import { useWorkbookConverter } from "../utils/useWorkbookConverter";
 import {
   FieldOptionType,
+  PERSON_SELECT_FIELDS,
   WorkbookColumnInfo,
   compareAlphanumeric,
   findMatchField,
@@ -31,6 +33,7 @@ import { FieldMapType } from "./WorkbookColumnMapping";
 import { Person } from "../../../types/agent-api/resources/Person";
 import { FaExclamationTriangle } from "react-icons/fa";
 import { ResourceNameIdentifier } from "../../../types/common/resources/ResourceNameIdentifier";
+import { PersonSelectField } from "../../resource-select-fields/resource-select-fields";
 
 export function useColumnMapping() {
   const { formatMessage } = useDinaIntl();
@@ -721,13 +724,16 @@ export function useColumnMapping() {
               metadatas.find((item) => compareAlphanumeric(item.name, value));
             break;
         }
-
         // If relationship is found, set it. If not, reset it so it's empty.
         if (found) {
-          theRelationshipMapping[columnHeader][value.replace(".", "_")] = pick(
-            found,
-            ["id", "type"]
-          );
+          if (PERSON_SELECT_FIELDS.has(fieldPath)) {
+            theRelationshipMapping[columnHeader][value.replace(".", "_")] = [
+              pick(found, ["id", "type"])
+            ];
+          } else {
+            theRelationshipMapping[columnHeader][value.replace(".", "_")] =
+              pick(found, ["id", "type"]);
+          }
         }
       }
     }
@@ -748,10 +754,15 @@ export function useColumnMapping() {
       return undefined;
     }
 
-    const selectElemName = `relationshipMapping.${columnHeader.replaceAll(
-      ".",
-      "_"
-    )}.${fieldValue.replaceAll(".", "_")}.id`;
+    const selectElemName = PERSON_SELECT_FIELDS.has(fieldPath)
+      ? `relationshipMapping.${columnHeader.replaceAll(
+          ".",
+          "_"
+        )}.${fieldValue.replaceAll(".", "_")}`
+      : `relationshipMapping.${columnHeader.replaceAll(
+          ".",
+          "_"
+        )}.${fieldValue.replaceAll(".", "_")}.id`;
 
     let options: any[] = [];
     let targetType: string = "";
@@ -850,28 +861,51 @@ export function useColumnMapping() {
 
     return (
       <div className="d-flex">
-        <SelectField
-          className="flex-fill"
-          name={selectElemName}
-          options={options}
-          hideLabel={true}
-          isMulti={false}
-          selectProps={{
-            isClearable: true,
-            menuPortalTarget: document.body,
-            styles: {
-              menuPortal: (base) => ({ ...base, zIndex: 9999 })
-            }
-          }}
-          onChange={(newValue) => {
-            onChangeRelatedRecord(
-              columnHeader,
-              fieldValue,
-              newValue as string,
-              targetType
-            );
-          }}
-        />
+        {PERSON_SELECT_FIELDS.has(fieldPath) ? (
+          <PersonSelectField
+            onChange={(newValue) => {
+              onChangeRelatedRecord(
+                columnHeader,
+                fieldValue,
+                (newValue as any)?.map((person) => person.id),
+                targetType
+              );
+            }}
+            className="flex-fill"
+            name={selectElemName}
+            hideLabel={true}
+            isMulti={true}
+            selectProps={{
+              isClearable: true,
+              menuPortalTarget: document.body,
+              styles: {
+                menuPortal: (base) => ({ ...base, zIndex: 9999 })
+              }
+            }}
+          />
+        ) : (
+          <SelectField
+            className="flex-fill"
+            name={selectElemName}
+            options={options}
+            hideLabel={true}
+            selectProps={{
+              isClearable: true,
+              menuPortalTarget: document.body,
+              styles: {
+                menuPortal: (base) => ({ ...base, zIndex: 9999 })
+              }
+            }}
+            onChange={(newValue) => {
+              onChangeRelatedRecord(
+                columnHeader,
+                fieldValue,
+                newValue as string,
+                targetType
+              );
+            }}
+          />
+        )}
         {showDuplicateWarningTooltip && (
           <Tooltip
             disableSpanMargin={true}
diff --git a/packages/dina-ui/components/workbook/types/Workbook.ts b/packages/dina-ui/components/workbook/types/Workbook.ts
index 3a3ec60a3..887472863 100644
--- a/packages/dina-ui/components/workbook/types/Workbook.ts
+++ b/packages/dina-ui/components/workbook/types/Workbook.ts
@@ -157,9 +157,14 @@ export interface WorkbookColumnMap {
 
 export interface RelationshipMapping {
   [columnHeader: string]: {
-    [value: string]: {
-      id: string;
-      type: string;
-    };
+    [value: string]:
+      | {
+          id: string;
+          type: string;
+        }
+      | {
+          id: string;
+          type: string;
+        }[];
   };
 }
diff --git a/packages/dina-ui/components/workbook/utils/useWorkbookConverter.tsx b/packages/dina-ui/components/workbook/utils/useWorkbookConverter.tsx
index 7d98183ef..a4dd94af5 100644
--- a/packages/dina-ui/components/workbook/utils/useWorkbookConverter.tsx
+++ b/packages/dina-ui/components/workbook/utils/useWorkbookConverter.tsx
@@ -6,6 +6,7 @@ import {
   FieldMappingConfigType,
   getFlattenedConfig,
   LinkOrCreateSetting,
+  PERSON_SELECT_FIELDS,
   WorkbookColumnMap,
   WorkbookDataTypeEnum
 } from "..";
@@ -400,10 +401,12 @@ export function useWorkbookConverter(
   ) {
     const attributeName = fieldPath.substring(fieldPath.lastIndexOf(".") + 1);
     const value = resource[attributeName];
+
     if (isEmptyWorkbookValue(value)) {
       delete resource[attributeName];
       return;
     }
+
     if (attributeName === "relationshipConfig") {
       resource.type = value.type;
       resource.relationships = {};
@@ -578,6 +581,7 @@ export function useWorkbookConverter(
                     columnMap[fieldPath + "." + attrNameInValue]?.[
                       childValue.trim().replace(".", "_")
                     ];
+
                   if (valueToLink) {
                     break;
                   }
@@ -585,7 +589,9 @@ export function useWorkbookConverter(
               }
             }
             if (valueToLink) {
-              valuesForRelationship.push(valueToLink);
+              valuesForRelationship.push(
+                ...(Array.isArray(valueToLink) ? valueToLink : [valueToLink])
+              );
             } else {
               if (
                 relationshipConfig.linkOrCreateSetting ===
@@ -648,15 +654,14 @@ export function useWorkbookConverter(
           }
         }
       }
-      if (valuesForRelationship.length === value.length) {
-        if (!resource.relationships) {
-          resource.relationships = {};
-        }
+      if (!resource.relationships) {
+        resource.relationships = {};
+      }
+      if (valuesForRelationship.length) {
         resource.relationships[attributeName] = {
           data: valuesForRelationship
         };
         delete resource[attributeName];
-        return;
       }
     }
   }
diff --git a/packages/dina-ui/components/workbook/utils/workbookMappingUtils.ts b/packages/dina-ui/components/workbook/utils/workbookMappingUtils.ts
index e73aa14a6..3c3475910 100644
--- a/packages/dina-ui/components/workbook/utils/workbookMappingUtils.ts
+++ b/packages/dina-ui/components/workbook/utils/workbookMappingUtils.ts
@@ -900,3 +900,7 @@ export function trimSpace(workbookData: WorkbookJSON) {
   }
   return workbookData;
 }
+export const PERSON_SELECT_FIELDS = new Set([
+  "preparedBy.displayName",
+  "collectingEvent.collectors.displayName"
+]);
diff --git a/packages/dina-ui/page-tests/collection/collecting-event/__test__/edit.test.tsx b/packages/dina-ui/page-tests/collection/collecting-event/__test__/edit.test.tsx
index 410a8488c..2e3ad9d0e 100644
--- a/packages/dina-ui/page-tests/collection/collecting-event/__test__/edit.test.tsx
+++ b/packages/dina-ui/page-tests/collection/collecting-event/__test__/edit.test.tsx
@@ -449,12 +449,7 @@ describe("collecting-event edit page", () => {
     expect(wrapper.getByRole("button", { name: /primary/i })).toBeDisabled();
 
     // Add a second assertion:
-    userEvent.click(
-      wrapper.getByRole("button", {
-        name: /add another georeference assertion/i
-      })
-    );
-
+    userEvent.click(wrapper.getByTestId("add-another-button"));
     await new Promise(setImmediate);
 
     // Make 2nd assertion primary: