Related to sisted

Child or Children means a child or children unmarried
Sibling means each of two (2) or more children having a parent in common by blood, adoption, marriage, or foster care.
Children means all dependants named on a policy (not including spouse).
Siblings means brothers or sisters. They are defined as children with at least one natural or adoptive parent in common, living at the same or a different address. Children living permanently in the same household at the same address would also be counted as siblings, regardless of their actual relationship to each other. To qualify as a sibling a child must be on the roll of the school in question at the date of application, allocation and admission.
Mother means the mother or expectant mother of the child.

sisted definition