(Cover) - EN Showbiz - Oprah Winfrey says she will form a bond with her half-sister thanks to their ageing mother.

The talk show giant introduced her sibling to the world on her own programme on Monday night, revealing she had only found out about Patricias existence in October.

Oprahs mother, Vernita Lee, gave birth to the child in 1963 - while the star was living with her father in Tennessee. Patricia was put up for adoption.

Oprah admits the process of getting to know her lost relative will be a daunting one, but that Vernita will bring them closer together.

I think we have... the common interest of our mother," Oprah told The Gayle King Show. "Everybody who's dealing with an ailing parent understands that process of getting care for them. And we're speaking regularly about that."

Oprah has been talking to Patricia regularly and the pair had dinner at home before the show was aired earlier this week.

The 56-year-old wants to take the embryonic relationship one step at a time.

While Oprah is excited about the surprise addition to her family, she is cautious enough to want to not rush anything.

Were taking it slow, she explained. I think it's about building a relationship one conversation - one experience - at a time. (C) Cover Media