Gezin: Jacobus Kooi / Johanna Wilhelmina Willard (F17423)
getr. 14 jun 1916 | Hendrik Willard (1870-1947) 
|
 | Elisabeth van den Berg (1875-1955)
|
| Wilhelmina Johanna Willard (1896-1988)  |
| "de Glazenwasser" Gregorius Hendrikus Willard (1899-1945) |
| Petronella Wilhelmina Willard (1902-1902) |
| Hendrikus Jacobus Willard (1903-1971) |
| Petronella Wilhelmina Willard (1905-1921) |
| Alida Adriana Willard (1905-1990) |
| Roelof Hermanus Willard (1907-1976) |
| Nicolaas Leonardus Willard (1908-1969) |
| Adriana Cornelia Willard (1910-1995) |
| Elisabeth Hendrika Willard (1911-1982) |
| Stephanus Lambertus Willard (1913-1995) |
| Wilhelmina Hendrika Willard (1915-1976) |
| Agnes Maria Willard (1918-1993) |
| Jacobus Kooi (1893- )
|
| Johanna Wilhelmina Willard (1897-1975)
|