Old Saxon fadar

← Proto-Germanic *fadēr (inherited)

← Proto-West Germanic *fader (inherited)

← Proto-Indo-European *ph₂tḗr (inherited)

→ Old English fæder (cognate)

→ German Low German Vader (inherited)

→ Old Norse faðir (cognate)

→ Old Frisian feder (cognate)

→ Old Saxon gisunfadar (compound)