The legendary singer is a grandma to the three young children of her stepkids Josh Brolin and Molly Brolin Barbra Streisand ...

The Marvel star married his former personal assistant Kathryn Boyd in 2016, and was previously married to Diane Lane ...

Barbra Streisand and James Brolin are grandparents to Josh Brolin's four kids: Eden Brolin, Chapel Grace Brolin, Trevor ...