nonie on Family Tree Circles

where do i begin my grandma came to america in 1914 she was 21 she came from vicenza Italy. she married a man born in italy named Giuseppe Deezen they had twin daughters born in 1916 Giuseppe passed away at the age of 35 in erath texas. she then married my grandfather luigi Colombo from turin Italy, they settled in St.Louis Missouri, they had a son by the name seconde Colombo who went by the name of John Joseph Colombo He married Charlotte Moser, and here, we are four of us, Patricia Ann, Jean Marie, Winona Louise,and John joseph colombo jr. would love some information on both my grand parents. Luigi(louis) colombo left my grandmother when my father was about 5 yrs old we know nothing about him, except he might have had a half brother in michigan. my Aunts names were Elenor Mary Deezen and Louise Genovese . we heard luigi might have moved to the chcaigo area in the early 1920's