http://aderetorah.com/Family_Tree/BatLURIA-Avraham-ind00504.htm

Avraham was born in year 1460. Avraham 's father was Yechiel LURIA and his mother was Bat SHRENTZEL. His paternal grandparents were Aharon LURIA and Miriam Speyer SPIRA ; his maternal grandparents were Eliezer SHRENTZEL and <Unknown>. He was the oldest of three children. He had two sisters named Bat LURIA and Miriam Dreizel .