Born Isaac Gilinski Sragowicz on 19 February 1934 in Barranquilla, he is the son of Lithuanian Jewish immigrants who settled in that city from Mandatory Palestine in the 1920s. He is married to Perla Bacal Zweiban since 1957, with whom he had three children: Jaime, Rutie, Tania.[7] His eldest son Jaime is a prominent international banker and one of Colombia's wealthiest men.