וַיֹּ֨אמֶר אַבְרָ֜ם אֶל־ל֗וֹט אַל־נָ֨א תְהִ֤י מְרִיבָה֙ בֵּינִ֣י וּבֵינֶ֔יךָ וּבֵ֥ין רֹעַ֖י וּבֵ֣ין רֹעֶ֑יךָ כִּֽי־אֲנָשִׁ֥ים אַחִ֖ים אֲנָֽחְנוּ׃
At sinabi ni Abram kay Lot: “Huwag nawang magkaroon ng away sa pagitan ko at sa iyo, at sa pagitan ng aking mga pastol at ng iyong mga pastol, sapagkat kami ay magkapatid.”
Genesis
In any case, she is my sister, the daughter of my father, but not the daughter of my mother, and she became my wife.