• Father: Robert Terrington Dysart d'Risca AITCHISON Sr.
• Mother: Orlandina A. EQUIZI


• BIRTH: Abt. 1949, California, USA
• Residence: 1950, Kern County, California, USA

                            /-William AITCHISON
             /-Robert Terrington Dysart d'Risca AITCHISON Sr.
             |              \-Emily D. RISKER
Billy W. AITCHISON
             \-Orlandina A. EQUIZI