California Delaney's

Looking for descendents of my grandmothers brothers Homer Jack Delaney b February 1892 Vina, CA and Leon Delaney b September 1894, Vina, CA. Veva L. Delaney was my grandmother also born in Vina 23 January 1888. Their father John Henan Delaney was a constable and murdered 24 February 1902 at Vina. Trying to find out what happened to her brothers and if they had children.