- (biblical) The son of Abraham and Sarah, father of Esau and Jacob, from whom the Hebrew people trace their descent.
- (given name, male, )
Etymology: From (Hebr.) ÖÖÖ (Yitzchak or Yitzhak), meaning "laughed; laughter" (since his mother Sarah laughed when told she was pregnant at her old age).
- Dutch: Izaí¤k, Izaak
- French: Isaac
- German: Isaak
- Italian: Isacco, Sacco
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