They want to delay when Bobbi Kristina receives her inheritance in order to protect her.

FORBES: Whitney Houston's Family Doesn't Trust Bobbi Kristina's Ability To Handle Money

He has one daughter, Bobbi Kristina, from his relationship with Houston, as well as three other children.

CNN: Bobby Brown ordered to jail for DUI

Her biggest mistake was failing to update her will, even after her divorce from Bobby Brown, to better protect Bobbi Kristina.

FORBES: Whitney Houston's Family Doesn't Trust Bobbi Kristina's Ability To Handle Money

If her intent was to protect Bobbi Kristina beyond age 30, as Cissy and Marion believe, then Whitney should not have left it to chance.

FORBES: Whitney Houston's Family Doesn't Trust Bobbi Kristina's Ability To Handle Money

Bobbi Kristina is the only heir, so whatever royalties and other assets the estate now has or will earn in the future pass on to her.

FORBES: Whitney Houston's Family Doesn't Trust Bobbi Kristina's Ability To Handle Money

The will signed on February 3, 1993 provides that Bobbi Kristina will receive 10% of the estate when she turns age 21, another one-sixth at age 25, and the full balance at age 30.

FORBES: Whitney Houston's Family Doesn't Trust Bobbi Kristina's Ability To Handle Money