(1) He is married to Hack Hettes Rheen.
They got married before 1565.
(2) He is married to Anna Yges Siccama.
They got married in the year 1565 at Warga, Idaarderadeel, Friesland, he was 30 years old.
http://www.simonwierstra.nl/RHEEN.htm
Hij woonde in 1570 met zijn tweede vrouw te Warga (GJB 1970-61).
Upcke was later grietman van Hennaarderadeel.
The data shown has no sources.