- Nephew of Michael McStay.
- Grandson of Patrick McStay and Susan Blake.
- Joseph, his brother Gianni, and their parents, Summer and Joseph Sr., disappeared from Fallbrook, California on February 4, 2010. In November 2013, four sets of skeletal remains, of two adults and two children, were found in two shallow graves in a remote area in the Mojave Desert near Victorville, California.
- Son of Joseph Mateo Martelli McStay (1969-2010) and Summer Aranda McStay (1966-2010).
- Brother of Gianni Giuseppe Martelli McStay (2005-2010).
Contribute to this page
Suggest an edit or add missing content