Photo: Leah Jenner/Instagram

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Despitedeciding to end their marriage,Brandonand Leah Jenner are still on good terms.

A source tells PEOPLE that their separation after 14 years together was completely “mutual.”

“It was a mutual split. There was honestly no big thing that came between them,” the source says. “They both realized it was the best decision. There is still so much love between them.”

“They still see each other and spend time together as a family,” adds the source. “And their daughter will always be their top priority. They are amazing parents.”

The former couple, who have known each other since high school and grew up together in Malibu, announced the breakup Monday via a shared statement on Instagram.

Brandon (left) and Leah Jenner.Imeh Akpanudosen/Getty

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“Hi everybody, it is with love in our hearts that we feel it’s time to share some personal news with you all. After celebrating fourteen beautiful years together, we have lovingly come to the decision to end the romantic aspect of our relationship,” they said. “We are deeply proud of the life we’ve cultivated together and are truly grateful for the bond of friendship we hold and cherish today. It is stronger than ever.”

“Here we openly share our truth with you all and, respectfully, we won’t be commenting further so anything that might state the contrary of this message would, undoubtedly, be a fabrication,” they concluded their message. “Thank you for your love and support and big love back to you guys!”

Brandon, the 37-year-old son ofCaitlyn JennerandLinda Thompson, and Leah, whose father is Eagles guitarist Don Felder, tied the knot in May 2012. Brandon’s half-sistersKendallandKylie Jennerserved as bridesmaids, and his brotherBrody Jennerserved as best man at the intimate ceremony.

They have also appeared onKeeping Up with the Kardashiansand released music togetheras indie pop group Brandon & Leah.

source: people.com