Online, you may search and find Lorenzo Pimentel's obituary. He died in December 2010.

As for relatives, the surviving ones are listed in the obit as follows:

Lorenzo Pimentel is survived by his wife, Josefina Pimentel,
sons Carlos, Hector, Agustín, Rick, Robert, Victor, Lawrence, and Gustavo Pimentel,
daughters Zoyla Pimentel Muñoz, Maricela Pimentel, and Aida Pimentel,

one surviving brother, Agustín Pimentel,

22 grandchildren, and 17 great-grandchildren.

(Albuquerque Journal, 28 December 2010)