Khloe Kardashian shares snap of daughter True and cousins Stormi, Chicago and Psalm on first day of private backyard pre-school

Khloe Kardashian posted snaps on her Instagram Story snaps showing her daughter True with cousins Stormi, Chicago and Psalm at their first day of private pre-school. 

Khloe shares True, two, with ex-boyfriend Tristan Thompson while Kylie shares Stormi, two, with ex-boyfriend Travis Scott.

Chicago, two and Psalm, one, are Kim Kardashian's kids with Kanye West.