Family: Gerard I van Hoorne / Irmgard of Cleves (F500913)
m. Ongeveer 1311-
Father | Male
Gerard I van Hoorne
Born Abt 1270 Died Abt 1330 Buried Brussel 
Married Ongeveer 1311 Type MARR Other Spouse Johanna van Leuven-Gaasbeek | F501536 (MARR) Married Ongeveer 1302 Father Willem II van Hoorne | F501646 Group Sheet Mother
Mother | Female
Irmgard of Cleves
Born Abt 1290 Cleves, DEU Died Abt 1351 Buried Father Dietrich VIII of Cleves | F500914 Group Sheet Mother Margaretha van Habsburg | F500914 Group Sheet
Child 1 | Male
Dirck Thierry van Horne
Born 1320 Horne, NLD Died 26 Mar 1378 Buried Spouse Catharina Berthout | F500912 (MARR) Married