His father, Robert J. Musker, who worked for over 40 years at Illinois Bell Telephone, died in 2008 at the age of 84, and his mother, Joan T. Musker (née Lally), died in 2011 at the age of 81.
Ayahnya, Robert J. Musker, yang bekerja selama lebih dari 40 tahun di Illinois Bell Telephone, meninggal pada tahun 2008 di usia 84 tahun, dan ibunya, Joan T. Musker (née Lally), meninggal pada tahun 2011 di usia 81 tahun.