Pippa Middleton and her husband James Matthews welcome their first child

Pippa Middleton, the youngest sister of Duchess Kate, and her husband James Matthews welcomed a baby boy on Monday. His representative told ET that the queen-in-law's son was born at 1:58 pm, weighing 8 pounds and 9 ounces.

"Everyone is happy and the mother and baby are fine," she said in a statement. Kensington Palace also issued a statement in which he states: "The Duke and Duchess of Cambridge are delighted for Pippa and James."

Middleton married Matthews, a hedge fund manager, last May. Reporters, photographers and cameramen have invaded the small village of Englefield, west of London, where St. Mark's Church is located, and near Bucklebury, where a sumptuous reception was organized in the estate of the parents of the bride, Michael and Carole Middleton.

Middleton confirmed her pregnancy in June by writing a column for Waitrose magazine.

"I had the chance to take the 12-week exam without suffering from morning sickness. That allowed me to continue as usual," she said. . Middleton also said that it was important for her to stay in shape during her pregnancy.

"I'm fond of sports and I have consulted many books and websites about exercise during pregnancy, but I've been disappointed by the limited technical information on what you can and can not not do, "Middleton said. "And since it was my first pregnancy, I had so many questions that I still felt unanswered."

"So I decided to take my own initiative and adapt my exercise routine by adjusting the weight and intensity to what suited me best," she said. pursued. "I work for 45 minutes, three to four times a week, depending on my level of energy, but I made sure my routines were lighter than usual." I noticed that my body was changing and my weight was getting bigger but thanks to effective exercises and sports, I think it was strengthened to allow pregnancy, birth and healthy recovery. after my baby, my favorite old jeans always suit me! "

Middleton showed his baby bump at wedding of Princess Eugenie of York and Jack Brooksbank Friday.