He was the son of Saul Wahl, who according to legend, was king of Poland for one day.
[5] At the beginning of his rabbinical career, Wahl was the Av Beit Din at Tykocin, Poland, later moving on to the Av Beit Din position of Brest, Belarus.
[3][6] He married Hinda HaLevi Horowitz, granddaughter of Israel ben Josef and niece of Moses Isserles on her mother's side and his own mother's cousin.
[5] Another of his daughters, Nissla Gisela, married Moshe Hakohen Katz, a nephew of Meir Lublin.
This biographical article about a Polish rabbi is a stub.