"Family unit" means any of the following (CCP 704.710(b)):
The judgment debtor and the judgment debtor's spouse if the spouses reside together in the homestead.
The judgment debtor and at least one of the following persons who the judgment debtor cares for or maintains in the homestead:
The minor child or minor grandchild of the judgment debtor or the judgment debtor's spouse or the minor child or grandchild of a deceased spouse or former spouse.
The minor brother or sister of the judgment debtor or judgment debtor's spouse or the minor child of a deceased brother or sister of either spouse.
The father, mother, grandfather, or grandmother of the judgment debtor or the judgment debtor's spouse or the father, mother, grandfather, or grandmother of a deceased spouse.
An unmarried relative described in this paragraph who has attained the age of majority and is unable to take care of or support himself or herself.
The judgment debtor's spouse and at least one of the persons listed in 2nd bullet who the judgment debtor's spouse cares for or maintains in the homestead.