Khloé Kardashian’s Decision to Stand by Tristan Has Caused ‘Friction’ in Her Family: Source

Khloé Kardashian has no plans of returning to Calabasas for her first Mother’s Day with 4-week-old daughter True.

Amid the ongoing cheating allegations, the new mom’s decision to remain living in Cleveland with NBA boyfriend Tristan Thompson is an issue that her momager Kris Jenner and sisters Kourtney and Kim Kardashian, as well as Kendall and Kylie Jenner, continue to struggle with.

“The family is still not happy with Tristan, and they have no desire to spend Mothers’ Day with him,” a source tells PEOPLE, explaining that Khloé will celebrate the holiday with True. (Thompson will be in Boston on Sunday for the Cleveland Cavaliers game, and it’s unclear if she’ll go with him.)

“Khloé’s decision to stay with Tristan has definitely caused friction. Her family hasn’t visited her for weeks. It’s been hard for Khloe, but she is doing what she believes is best for her family,” the source adds.

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Though Khloé has yet to come back to the West Coast, her little family with Thompson, 27, is her main focus.

“Khloe seems really happy. She is…