No. After the death of a newborn sister in 2006, his parents adopted his sister Miley.
"Diggy" Simmons (born March 21, 1995) is the son of Run-DMC rapper "Rev Run" (aka DJ Run, born Joseph Simmons) of the MTV reality show "Run's House". Diggy's real name is Daniel Simmons III, namesake of Joseph's older brother. He has a younger brother (Russell "Russy" Simmons), an adopted sister, and three older siblings (two sisters, one brother) from his father's earlier marriage.