United Kingdom, March 5 -- Kathy Hilton "felt bad" for Mauricio Umanksy following his split from Kyle Richards.

The 65-year-old reality star still calls to check in on her estranged brother-in-law - who has Alexia, 28, Sophia, 25, and 17-year-old Portia with Kyle - and admitted that she is still in contact because she "cares" about him.

Speaking on the 'RHOBH After Show' she explained: "I still care about him. He's my nieces' father. He's been wonderful with Farrah.

"Him and Kyle were a great couple and we used to have so much fun.

"It's sad. I've called to check on him [on] their anniversary. He was on a trip, a holiday . I called [and said], 'Is everything OK? I was just calling to see how you are doing,.

"I felt bad for him too. I...