1751
He is married to Trijntje Barentz D'Hol.
They got married on April 29, 1747 at Aalsmeer.Source 1
.
Den 29e April [1747]
Willem Harmensz Segstroo, meerderjarige Jongeman, en
Treijntje Barents Dol, minderjarig Jonge dogter, beijde wonende
op 't Oosteijnde Alhier...........Pro deo
.
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