Kira was aware of Jennie's heritage all along. Understanding that Jennie was Tyrone's biological daughter and her own great- granddaughter, she wanted to take Jennie in.

Jennie being five implied that Tyrone had been involved with someone else before...

It never crossed Sabrina's mind that Tyrone was a virgin when they met, given his past relationship with Galilea.

Sabrina could overlook Tyrone's history with Galilea, but the revelation of Tyrone having a daughter out of wedlock was something she found hard to dismiss, despite her fondness for Jennie.

Just yesterday, Sabrina had reassured Jennie she would not send Jennie away after bringing the latter into her life. Yet, today brought startling news she hadn't anticipated.