Where does “Jean-Marc” come from?

Jean-Marc (French) comes from French Jean, from English Jean, from English Jeanne, from French Jeanne, from Old French Jehane, from Medieval Latin Johanna, from Latin Joanna, from Ancient Greek Ἰωάννα — God is gracious.

Ancestry of “Jean-Marc”, step by step

Jean-Marc traces back through two separate lines of ancestry.

via French Jean

StepLanguageWordMeaning
1FrenchJeanJohn
2EnglishJeanDenim
3EnglishJeanne—
4FrenchJeanneJane, feminine of John
5Old FrenchJehane—
6Medieval LatinJohanna—
7LatinJoanna—
8Ancient GreekἸωάννα—
9Hebrewיוֹחָנָה—
10HebrewיוֹחָנָןGod is gracious
11HebrewיְהוֹחָנָןGod is gracious

via French Marc

StepLanguageWordMeaning
1FrenchMarcMark
2Old Frenchmarcmark
3LatinMārcus—
4LatinMartīnus—
5Latin-īnusof or pertaining to; -ine
6Proto-Italic-īnosof/belonging to
7Proto-Indo-European-iHnosCreates adjectives of materials
8Proto-Indo-European-no-adjectival suffix
Every word from Hebrew יְהוֹחָנָן →Every word from Hebrew יוֹחָנָן →Every word from Hebrew יוֹחָנָה →