Gerard I van Teylingen was born circa 1045 to Simon van Teylingen (1006-1063) and died circa 1100 of unspecified causes. He married Johanna van Arkel . Alfred the Great (849-899)/s, Charlemagne (747-814)/s.
|Offspring of Gerard I van Teylingen and Johanna van Arkel|
|Gerard II van Teylingen (c1095-c1164)||1095||1164||Dochter van der Lecke|