Wal's Genealogie
Gezin: Henricus Alphonsus Maria Postma / Maria Petronella van Swieten (F870)
getr. 1 mei 1884Albertus Hendriks Postma (1829-1889) 
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Maria Hermina Gelevert (1826-1909)
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| Anna Maria Postma (1856-1924) |
Aleida Maria Postma (1862-1920)  |
| Agatha Jacoba Maria Postma (1864-1919) |
| Petrus Albertus Maria Postma (1866- ) |
| Stefenna Maria Susanna Postma (1868- ) |
| Joseph Johannes Ruardus Maria Postma (1870-1951) |
| Hendricus Cornelis van Swieten (1818- ) |
| Wilhelmina Geradts (1822- ) |
| Henricus Alphonsus Maria Postma (1860-1938)
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| Maria Petronella van Swieten (1863-1935)
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