Reality TV couple Rob and Amber Mariano have added a new member to their alliance: a baby girl.

Amber recently gave birth to the couple's first child, Rob told People in a report published Sunday.

Lucia Rose was born on July 4 at Sacred Heart Hospital in Pensacola, FL, according to Rob.  She weighed 6 lbs., 11.5 oz. and measured 19.25 in. long.

"Both mom and baby are healthy and doing great," Rob told People.  "Lucia is a great eater and sleeps a lot, however she tends to be a bit of a night owl like her daddy at times. 

"She is a perfect baby and we could not have asked for anything more. We are over the moon with happiness at her arrival!"

The baby's middle name is a tribute to Rob's grandmother, who passed away on the same day she was born.

Rob and Amber had been considering starting a family for several years.

"[We plan to start a family] not, like, tomorrow soon, but pretty soon," Rob told OK! Weekly in early 2007.

The belated birth announcement -- which also wasn't proceeded by a public pregnancy announcement -- represents a low-profile change for the couple, who previously got engaged and married on television.

Rob and Amber first met when Survivor: All-Stars was filmed in Panama in late 2003.  Amber had previously appeared on Survivor: The Australian Outback, which aired in early 2001, while Rob had competed on Survivor: Marquesas, which was broadcast in early 2002.

The next spring, Rob (the other member of Survivor: All-Stars' Final 2) publicly proposed to Amber just before Survivor host Jeff Probst revealed he had finished second and Amber had won the competition's $1,000,000 grand prize during the show's May 2004 live finale. 

Later that year, Rob appeared as the "Player Operator," a secret Charlie's Angels-like telephone voice on UPN's The Player reality dating series.

In 2005, the duo returned to the CBS schedule and appeared on The Amazing Race 7, where -- in a familiar situation for Rob -- they finished second.  Later that spring, they were married in an April 2005 destination wedding which served as the basis of Rob and Amber Get Married, a reality TV special that aired on CBS in May 2005.
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The following year, Rob headlined Sci Fi Investigates, a six-episode Sci Fi Channel reality series which investigated and tried to explain paranormal and supernatural phenomenon. 

After also starring in Rob and Amber: Against the Odds, a Fox Reality Channel series which featured the couple relocating to Las Vegas so Rob could attempt to become a professional poker player, Rob and Amber returned to The Amazing Race a second time and competed in the show's All-Stars edition in early 2007.

Despite finishing in first place during the race's first three legs, Rob and Amber were the fourth team eliminated from The Amazing Race: All-Stars.
About The Author: Steven Rogers
Steven Rogers is a senior entertainment reporter for Reality TV World and been covering the reality TV genre for two decades.