| Place name (English): | Olderup |
| Place name (local language): | |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | municipality |
| Is in the area of: | Nordfriesland |
| Note: |
| 1 | Frantz von Ahlefeldt til Arlevad (7 October 1586-spring 1632), parents: Frederik von Ahlefeldt til Halvsøgård, Seestermüh, Arlevad, Stendorf og Nüchel and Catharine Rantzau |