Bobbi Kristina Brown Funeral Plans 'Constantly Changing' Because of Family Tension, Sources Say

Those who loved Bobbi Kristina Brown want nothing more than to honor her spirit, but funeral plans for the aspiring singer have still yet to be set because of conflict in the family, multiple sources tell PEOPLE.

The only daughter of Bobby Brown and the late Whitney Houston is expected to be laid to rest in New Jersey next to her mother on Monday after a funeral on Saturday in Atlanta.

However "both sides [of the family] are still not happy and on the same page," says the source of the Browns and Houstons. "There is a lot going on behind the scenes. There is a lot to do in a very short time."

Adds another source: "Things are constantly changing."

Brown died Sunday surrounded by her family. She was found unresponsive in a bathtub in her Roswell, Georgia, home on Jan. 31 and never fully regained consciousness.

Her body was released by the Fulton County Medical Examnider for burial Tuesday after a preliminary autopsy showed no significant injuries. Additional lab testing will be performed and full results may not be available for weeks.

"Krissy was and is an angel. I am completely numb at this time," Bobby told PEOPLE in a statement released by his lawyer Monday. "My family must find a way to live with her in spirit and honor her memory. Our loss is unimaginable."

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Reporting by LINDA MARX