The following types of relationships constitute impediments to marriage:

  • Parents with their own children, grandchildren or great-grandchildren.
  • Brothers-in-law and sisters-in-law.
  • Uncles and aunts with nieces and nephews.
  • First cousins with each other.
  • Foster parents with foster children or foster children with the children of foster parents.
  • Godparents with godchildren or godparents with the parents of their godchildren.