Kourtney Kardashian already has three children with ex-partner Scott Disick: Mason, 11, Penelope, nine, and Reign, six. But the Keeping Up With The Kardashians star, 41, is allegedly interested in welcoming another child with her fiancé Travis Barker, who was seen popping the question on the beach in Montecito, California on Sunday. 'She can't wait to marry Travis and she would also love to have a baby with him,' a source told the new issue of People magazine on Wednesday. Another kid? Kourtney Kardashian is interested in welcoming another child with her fiancé Travis Barker, according to People. Seen in NYC on Saturday Travis, 45, already has two children with his ex-wife, former Playboy model Shanna Moakler. They are Landon, 18, and Alabama, 15. And he is very close to the daughter Shanna shares with former boxer Oscar De La Hoya, model Atiana, 22. If they welcomed a child together, Kourtney and Travis would have a combined total of six children. That is the same number of kids Kourtney's mother Kris Jenner has. Kris has four with the late Robert Kardashian: Kourtney, Kim, Khloe and Rob. And two with ex Caitlyn Jenner: Kylie and Kendall. The source also said that Travis is head-over-heels in love with the petite star and would do anything for her. 'Travis just adores Kourtney. He treats her like a princess and is a great guy,' it was shared. She said yes: The rocker was seen popping the question on the beach in Montecito, California on Sunday Bling babe: The Blink 182 drummer presented the Poosh founder with an oval-shaped diamond ring he designed with celebrity jeweler Lorraine Schwartz. It is said to be worth $1m And he had planned for a long time to propose, it was added: 'The question was never if they would get engaged, it was more like when.' It was also revealed in the new report that Barker was feeling his nerves at the weekend proposal. 'Travis was nervous, but Kourtney didn't hesitate for a second before she said yes,' said the source. Her three: She already has three children with ex Scott Disick: Mason, 11, Penelope, nine, and Reign, six His kids: Travis, 45, already has two children with his ex-wife, former Playboy model Shanna Moakler. They are Landon, 18, and Alabama, 15. And he is very close to the daughter Shanna shares with former boxer Oscar De La Hoya, model Atiana, 22. Seen in 2019 Another source told the site, 'Kourtney did not stop smiling.' It was added that him proposing was a 'complete surprise' for Kourtney even though Hulu cameras were rolling. They have been dating for one year. But her family knew first and they kept the secret. 'Kourtney's family loves Travis,' it was shared. They got engaged on the beach at the Rosewood Miramar resort in Montecito. There was a heart-shaped red rose arrangement on the sand. They have chemistry: It was also revealed in the new report that Barker was feeling his nerves at the weekend proposal. 'Travis was nervous, but Kourtney didn't hesitate for a second before she said yes,' said the source. Another source told the site, 'Kourtney did not stop smiling.' Seen in September in Brooklyn The Blink 182 drummer presented the Poosh founder with an oval-shaped diamond ring he designed with celebrity jeweler Lorraine Schwartz. It is said to be worth $1m. After the proposal, Kardashian's mom, Kris Jenner, and sisters Kim, Khloé, Kendall and Kylie joined them at the hotel for a dinner, shared People. Also there was Alabama, Landon and Atiana. 'It was a beautiful celebration,' said the source. 'Everyone is very happy for them.' After the proposal: On Tuesday Kourtney shared new images to her Instagram account. One of them saw her in a glam chair as she got her lips made up by a makeup artist as the star seemed to be shirt free On Tuesday Kourtney shared new images to her Instagram account. One of them saw her in a glam chair as she got her lips made up by a makeup artist as the star seemed to be shirt free. Another shot showed off some of her Halloween decorations inside her Calabasas, California mansion. There was a skull next to a bouquet of pink roses. Spooky: Another shot showed off some of her Halloween decorations inside her Calabasas, California mansion. There was a skull next to a bouquet of pink roses All rights reserved for this news site (dailymail) and under his responsibility