He is married to Elsien Reints Brederode.
They got married on May 12, 1807 at Finsterwolde, Groningen, he was 26 years old.
_PREF Y
MARR: RIN MH:FF141
SURN Onnes
_UID 4CC84ACB0A3D45EFB9F34BDE9534FE4585B9
_UID 4CC84ACB-0A3D-45EF-B9F3-4BDE9534FE45
SURN Onnes
BIRT: RIN MH:IF3163
CHR: RIN MH:IF3164
DEAT: RIN MH:IF3165
TYPE 2
DATE 9 MAR 2013
TIME 10:14:49
The data shown has no sources.