Polygamous Sister Wives Couple Wants License to Wed After Supreme Court Ruling: 'It's About Marriage Equality'

Polygamists in Montana are trying to apply the Supreme Court’s historic ruling on same-sex marriage to their own union.

Sister Wives' Robyn Brown Pregnant

The Brown family is adding to its brood!

TLC’s Sister Wives stars Kody Brown and his fourth wife, Robyn are expecting their second child together, the couple confirm to PEOPLE.

“We are so happy to announce an eagerly expected new member of the Brown family!” they tell PEOPLE.

Sister Wives Tell All Sneak Peek: Meri Brown Opens Up About Divorcing Kody (VIDEO)

Sister Wives Kody Brown Divorces His First Wife, Marries Youngest Wife

The Brown family has always been open about their polygamist lifestyle, but it came as a surprise when patriarch Kody quietly ended his legal marriage to first wife Meri, then wed fourth wife Robyn shortly afterwards.

“We have chosen to legally restructure our family,” the Browns said in a statement on Tuesday. “We made this decision together as a family. We are grateful to our family, friends and fans for all their love and support.”

TLC Introduces a New Polygamous Family in My Five Wives

Move over Sister Wives, there’s a new polygamous family in town.

My Five Wives is TLC’s latest foray into the world of polygamy. The one-hour special profiles Brady Williams, his five wives and 24 children, who all live together on a large family property outside of Salt Lake City, Utah.

Sister Wives Family Will Not Face Bigamy Charges

Kody Brown Says He Connects with All 17 Children

When you have four wives and 17 kids, planning a special Mother’s Day can be something of a production.

Sister Wives star Kody Brown, 44, will have a doozy of a special occasion on his hands this Sunday, celebrating with his four wives: Meri, 41, Janelle, 43, Christine, 40, and Robyn, 33, as well as their combined 17 kids.

“Mother’s Day is a great day at our house,” says Brown, who divides his time between his wives and kids in their four separate houses in Las Vegas. “We want to spend it as a family and make it so my wives don’t have to cook.”

Sister Wives Baby's First Photos

When you have 16 brothers and sisters, four moms and a dad, it takes some time to meet everyone.

Baby Solomon – born on Wednesday to polygamist reality television stars Kody Brown, 43, and his newest (and fourth) wife Robyn, 33, was welcomed by Brown’s three other wives and their blended family of 16 kids, who celebrated the at-home birth as one big happy family.

Brown’s first wife, Meri, and their daughter, Mariah, 16, were among the first to arrive after Solomon was born.

Sister Wives Family Welcomes Seventeenth Child

And baby makes 22!

Polygamist reality television star Kody Brown and his fourth wife, Robyn, welcomed their first child together – a son named Solomon – at 2:02 a.m. Wednesday morning at the couple s home in Las Vegas, they tell PEOPLE exclusively.

The baby boy weighed in at 9 lbs., 10.5 oz., and is 22 inches long.

“He’s perfect and we couldn’t be happier,” Kody tells PEOPLE. “We are so thrilled.”

Sister Wives: Robyn's Pregnancy Causes a Stir on Season Premiere

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