Scott Disick mourns loss of mother

One of the Kardashian clan's favorite guys is suffering a loss.

Scott Disick, the boyfriend of Kourtney Kardashian and the father of her two kids, is mourning the loss of his mother, Bonnie, E! News reports.

According to the network, which airs the Kardashian family's reality shows, Disick's mother recently passed away at the age of 63. She lived on Long Island, New York, with her husband Jeff. Disick, who was raised on Long Island, was their only child.

The reality star was recently spotted in New York City with girlfriend Kourtney, and reports suggest the pair were in the area to attend Bonnie's funeral.

Disick has been dating Kourtney off-and-on since 2006, and the couple welcomed their son, Mason Dash, in 2009, followed by daughter Penelope Scotland in 2012.