Complex sentence: Irvine "Irv" Robbins (December 6,1917--May 5,2008) was a Canadian-American entrepreneur who co-founded the Baskin-Robbins ice cream parlor chain in 1945 with his partner and brother-in-law Burt Baskin.
Split into simpler sentences: Irvine "Irv" Robbins (December 6,1917--May 5,2008) was a Canadian-American businessman. He co-founded the Baskin-Robbins ice cream parlor chain in 1945 with his partner and brother-in-law Burt Baskin.