Any two people, regardless of where they live, can marry in Scotland, provided that:
- both are at least 16 on the day of marriage
- they are unmarried
- they are capable of understanding the nature of a marriage ceremony and of consenting to marriage
- the marriage would be regarded as valid in any foreign country to which either person belongs
- they are not related to each other in a way which would prevent their marrying.
A man may not marry his
- Mother, Daughter, Grandmother, Granddaughter, Sister, Aunt, Niece, Great-grandmother, Great-granddaughter or male equivalent
A woman may not marry her
- Father, Son, Grandfather, Grandson, Brother, Uncle, Nephew, Great-grandfather, Great-grandson or female equivalent
Except in the circumstances explained below, a man may not marry his
- Former wife's daughter or granddaughter
- Father's or grandfather's former wife
- Former civil partner’s daughter or granddaughter
- Mother’s or Grandmother’s former civil partner
- or male equivalent
Except in the circumstances explained below, a woman may not marry her
- Former husband's son or grandson
- Mother's or grandmother's former husband
- Former civil partner’s son or grandson
- Father’s or Grandfather’s former civil partner
- or female equivalent
(People with these relationships who wish to marry must be 21 years of age or older at the time of the marriage, and the younger person must not, before his or her 18th birthday, have been treated by the other person as a child of the family.)
Relationships by adoption
A man may not marry his
- Adoptive mother or former adoptive mother
- Adopted daughter or former adopted daughter
- or male equivalent
A woman may not marry her
- Adoptive father or former adoptive father
- Adopted son or former adopted son
- or female equivalent