| Jan Berkelaar (ca1755 - ) |
Bernardus Kuiperij (1779 - 1830) |
| Aaltjen ter Maat (ca1758 - ) |
Johanna Hofs (1779 - 1861) |
| Gerrit Berkelaar | Aaltjen Kuiperij |
| b. ca 1793 d. bur. occ. klompenmaker edu. rel. |
b. ca 1810 d. bur. occ. edu. rel. |
| Bernardus Berkelaar Johanna Berkelaar Adolph Berkelaar [immigrant] |