There's this Bible story. 

Two women both claim to be the mother of the same child. King Solomon had to choose. Two mothers, only one gets the kid. 

Solomon came up with a plan. He proposed a 50/50 split. Literally. He offered to chop the kid in half. It all ends if one mom relinquishes her custody, or else they both stand their ground, and the kid gets torn apart. 

If you're wondering how the Solomon story ends,  

The true mom would rather give her baby up than have it ripped in two.