The third mark of the Church is Catholic.

Array
(
    [0] => One
    [1] => Holy
    [2] => Catholic
    [3] => Apostolic
)

The father of Jacob is Isaac.

Array
(
    [Abraham] => Terah
    [Isaac] => Abraham
    [Jacob] => Isaac
    [Esau] => Isaac
    [Joseph] => Jacob
    [Levi] => Jacob
)