+--Joe, Sr. Alioto 
+--Joseph Lawrence Alioto  (12 Feb 1916-29 Jan 1998)
|  |        +--Michele Lazio  (ABT 1791-)
|  |     +--Gaetano Lazio  (29 Oct 1825-AFT 1887)
|  |     |  +--Guiseppa Culotta  (ABT 1798-BEF 1837)
|  |  +--Lorenzo "Lawrence" G. Lazio  (15 Oct 1855-26 May 1919)
|  |  |  |     +--Saverio Corso  (-BEF 31 Mar 1832)
|  |  |  |  +--Michele Corso  (ABT 1792-Nov 1868)
|  |  |  |  |  +--Maria Scaletta  (-31 Mar 1832)
|  |  |  +--Domenica Corso  (5 Feb 1823-AFT 1887)
|  |  |     +--Marina Piraino  (ABT 1801-)
|  +--Domenica "Mae" Lazio  (3 Jan 1893-1 Oct 1971)
|     |     +--Giovanni Battista Ardizzone-Caito  (ABT 1809-)
|     |  +--Antonio Ardizzone-Caito  (17 May 1825-)
|     |  |  +--Angela Mascari  (ABT 1813-)
|     +--Angela Ardizzone-Caito  (24 Jan 1868-19 Oct 1937)
|        |  +--Antonio Pusateri  (ABT 1784-)
|        +--Francesca Pusateri  (1836-)
|           +--Maria Gentile  (ABT 1798-)
John I. Alioto 
+--Angelina Genaro