Interactive tree of Joannes Spekkens

Jan Hendrik Paul Luder 1928–1928

Maria Catharina Geertruida Spekkens 1892–1965

Pieter Luder 1886–1974

Joannes Spekkens 1841–

Louise Gertrude Hubertina Domitile Coulier 1854–

Michael Spekkens –

Maria Geertruid Jongen –

Hypolite Coulier –

Maria Gertruda Jockin –