<Li> Katey Sagal as Karen Peralta, Jake's mother . She is a public school art teacher who worked hard to raise Jake as a single mother after Roger left the family . Despite their past, Karen eventually begins dating Roger again much to Jake's discomfort . </Li> <Li> Merrin Dungey as Sharon Jeffords, Terry's wife . She is kind and supportive towards her husband and his profession, but can occasionally be stubborn and doesn't like being lied to . She is often seen taking care of their twin daughters Cagney and Lacey and eventually gives birth to their third daughter Ava on the show . </Li> <Li> Jamal Duff as Zeke, Sergeant Jeffords' brother - in - law . Zeke often taunts Terry for his shorter height and profession, leaving the latter to turn to Captain Holt for help . </Li> <Li> Jimmy Smits as Victor Santiago, Amy's father who visits her for Thanksgiving . He is a retired cop and is shown to be overly organized and competitive like his daughter . He initially doesn't approve of Amy's relationship with Jake, but changes his mind and respects his daughter's decision after the two solve one of Victor's older cases . </Li>

Who plays terry crews brother in law in brooklyn nine nine