In addition, Edward and Joan were within the prohibited degrees of consanguinity.

By the early 9th century the Western Church had increased the number of prohibited degrees of consanguinity from four to seven.

Her marriage to Amalric was annulled in 1163 when it was discovered that the two were related within the prohibited degrees of consanguinity.

In 1215 the Fourth Lateran Council made what they believed was a necessary change to canon law reducing the number of prohibited degrees of consanguinity from seven back to four.

King Henry astutely appealed to canon law, however, and the marriage was eventually annulled in August 1124 on the grounds that the couple were within the prohibited degrees of consanguinity.

Because Isabella and Ferdinand were second cousins they stood within the prohibited degrees of consanguinity and the marriage would not be legal unless a dispensation from the Pope was granted.

A marriage with Adela was within the prohibited degree of consanguinity and Simon went to Rome to meet with Pope Gregory VII, perhaps to arrange a dispensation.

The marriage ran afoul of the strictures of a small feudal society such as Scotland: it was found out some years after the marriage that it was within the prohibited degrees of consanguinity.

Also a marriage contracted within the prohibited degrees of consanguinity or affinity if contracted bona fide, out of ignorance of any impediments, is allowed to stand and any children of this union were considered legitimate.

Baldwin, Archbishop of Canterbury, declared the marriage null and placed their lands under interdict for marrying within the prohibited degrees of consanguinity (they were half-second cousins as great-grandchildren of King Henry I).

The 'Personal Law' contemplated by the Act is only that part of the personal law which relates to absolute impediments to any marriage, such as prohibited degrees of consanguinity or affinity which would render the marriage a nullity.

Personal Acts are a sub-category of private Acts, which confer specific rights or duties on a named individual or individuals, for example allowing two persons to marry even though they are within a "prohibited degree of consanguinity or affinity" such as stepfather and stepdaughter.

To register as domestic partners in Maine, both parties must be mentally competent adults, must have been legally domiciled together in Maine for the preceding 12 months, must not be within prohibited degrees of consanguinity, and must not be married to, or in a domestic partnership with someone else.