Where does “Fitzjohn” come from?

Fitzjohn (English) comes from English john, from Middle English John, from Anglo-Norman Jehan, from Latin Iōhannēs, from Latin Iōannēs, from Ancient Greek Ἰωάννης, from Hebrew יוחנן, from Hebrew חנון.

Ancestry of “Fitzjohn”, step by step

StepLanguageWordMeaning
1EnglishjohnA prostitute's client; A device or place to...
2Middle EnglishJohnAn appellation for a generic individual, especially of lower social standing
3Anglo-NormanJehanJohn
4LatinIōhannēs
5LatinIōannēsJohn biblical persons
6Ancient GreekἸωάννης
7HebrewיוחנןYahweh is gracious
8Hebrewחנוןgracious, merciful, compassionate; passive...
9Moroccan Arabicخنونةmucus, snot
10Arabicخُنَّة
Every word from Arabic خُنَّةEvery word from Moroccan Arabic خنونةEvery word from Hebrew חנון