b) his or her former or present spouse's kin in direct line of descent,

In answer to another question, he said that marriage between relatives of direct lines of descent, between siblings and half-siblings, and between adopted children and adoptive parents was prohibited under the Family Law.

close relatives (relatives by direct line of ascent and descent - parents and children, grandfather, grandmother and grandchildren);

It is the result of a creative effort and a desire to go beyond the narrow framework of national attitudes, and its line of descent is to be found in all the proposals which preceded it, highlighting the points of convergence of each of them.