Ewout was born about 1824 in Barwoutswaarder en Bekenes, the son of Kornelius Costerus and Aaltje van Doorn.
He has died but the date and place are unknown.
His wife was Maria Voorendt, who he married in 31 JAN 1857 in Abcoude-Baambrugge. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1824 |
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| Death |