Connecticut Doctor Who Lost Family in Home Invasion Worries About New Son

Dr. William Petit Jr. and His Wife, Christine, Release Photo of Their New Baby

Dr. William Petit Jr. and his wife, Christine, released a photo of their 5-day-old son, William Petit III on Wednesday.

“Our son is a beautiful Thanksgiving and Christmas gift,” Dr. Petit, 57, said in a statement. “He is very lovable and sweet.”

William Petit Welcomes a Baby Boy

William Petit, whose family was murdered in 2007, has welcomed a baby boy with his new wife, Christine.

The couple had a healthy baby boy named William, PEOPLE confirms.

The pair, who wed in 2012, announced that they were expecting a child in August.

Friends of Dr. William Petit Jr. Rejoice Over Baby News

Dr. William Petit Jr. and his wife, Christine, were flooded with well-wishes after announcing her pregnancy Thursday.

“Lo, children are a heritage of the LORD,” Dr. Petit Tweeted the Psalm in response to one follower’s excited congratulations. “And the fruit of the womb is his reward.”

Equally ecstatic were his former in-laws and friends of the couple, who married last August.

Dr. William Petit Jr. to Be a Father Again

Dr. William Petit Jr., whose wife and two daughters were murdered in 2007, is expecting a child with his new wife, Christine.

“Christine is 22 weeks along and is due the first week of December,” their spokesman, Rick Healey, said Thursday.

“I’m very excited,” an emotional Dr. Petit told Connecticut TV station WFSB. “Children are always your jewels.”

Daughter of Petit Family Killer: 'I'm Not My Father'

It was the crime of nightmares.

In July 2007, Steven Hayes and Joshua Komiserjevsky broke into the home of Connecticut doctor William Petit and held the family hostage for hours. After bludgeoning Dr. Petit with a baseball bat, they strangled his wife, Jennifer Hawke-Petit and assaulted the couple’s two daughters, Michaela, 11, and Hayley, 17. Then, they set the house on fire, killing both girls. Only Dr. Petit survived.

Dr. William Petit Remarries Five Years After Family Tragedy

The Connecticut doctor who lost his wife and children in a brutal home invasion five years ago married his fiancée Sunday in an emotion-filled day that included his late wife’s family, who has given the couple their blessing.

Dr. William Petit Faces Family's Killer: 'Evil Does Live Among Us'

At the formal sentencing for the man who murdered his wife and daughters on Friday, Dr. William Petit addressed the court for the second time in 13 months.

“Evil does live among us and we need to rid the world of it,” he told the court. “My only hope is for justice to be served.”

Explaining the impact of the loss of his family, Petit told the court, “I have a difficult time sleeping and trusting anymore. I hope to continue honoring my family.”

William Petit, Whose Wife and Daughters Were Murdered, to Marry Again

Dr. William Petit Jr., the lone survivor of a brutal home invasion that took the lives of his wife and two daughters in 2007, is engaged to photographer Christine Paluf.

The couple met while Paluf, 34, was photographing events for the Petit Family Foundation. They became engaged after Christmas but have not set a wedding date, Petit’s spokesman Rick Healey tells PEOPLE.

Joshua Komisarjevsky Gets Death Penalty in Petit Family Murders

After five days of deliberation, a jury in Connecticut sentenced Joshua Komisarjevsky to death Friday.

Komisarjevsky was convicted in October of a litany of charges including murder, kidnapping, arson, burglary and assault in the deaths of Jennifer Hawke-Petit, 48, Hayley Petit, 17, and Michaela Petit, 11 during a home invasion at their Cheshire, Conn., home on July 23, 2007.