| | Peer Isaachsen Willoch 1865– | | |
| | Ola Isaachsen Willoch 1872– Cecilie Isaachsen Willoch 1869– | | |
Arne Isaachsen Willoch 1883– | | |
Odd Isaachsen Willoch 1885– | | |
Helga Isaachsen Willoch 1888– | | |
| | Gunnar Isaachsen Willoch 1890– | | |
Hall Isaachsen Willoch 1891– | | |
| | Haakon Isaachsen Willoch 1896– Agnes Christine Saure 1895– | | |
| | Marie Sophie Christie 1839– | | |