This will be Rachel Griffiths' third child

"Brothers & Sisters" star Rachel Griffiths will soon provide a little brother or sister to her family.

The 40-year-old actress and her Andrew Taylor are expecting their third child, reports People.

The couple already have two children: Banjo Patrick, 5, and Adelaide Rose, 3.

The Australian-born actress has been married to her countryman, an artist, since New Year's Eve 2002.

On "Brothers & Sisters," Griffiths plays Sarah Walker, the eldest sibling of her family who also has two children of her own.