Yes we are family
There are two Sferlazza-Vento marriages
First,
Pietro Sferlazza (b 1895, Lercara Friddi)
Concetta Vento (b 3 May 1879 Lercara Friddi - d 10 March 1940 Waterloo NY)
Second was their son to Concetta's brother's daughter
Rosalino "Russ" (b 7 May 1896 LF - d Jan 1977, Alhambra, CA)
Domenica "Marge" (b 22 Nov 1907, Geneseo NY - d 12 Nov 2002, LA Co, CA)
Marge's parents were:
Guiseppe Vento (Concetta's brother) and Maria Placa