Where does “Jansenius” come from?
Jansenius (Latin) comes from Dutch Jansen, from Dutch Jan, from Norwegian Bokmål Johannes, from Icelandic Jóhannes, from Latin Iōhannēs, from Latin Iōannēs, from Ancient Greek Ἰωάννης, from Hebrew יוחנן.
Ancestry of “Jansenius”, step by step