siblings of Cowinga

half siblings paternal

broodmare Embona (Groningen, 1940, from Trudolfszoon)

Embona

broodmare Dochter van Trudolfszoon (unknown,  , from Trudolfszoon)

Dochter van Trudolfszoon

broodmare Endrove (Groningen, 1940, from Trudolfszoon)

Endrove

broodmare Zweersien (KWPN (Royal Dutch Sporthorse), 1938, from Trudolfszoon)

Zweersien