IV.1 Kinship by blood and by marriage
1. Blood kinship
1 The degree of kinship2 is determined by the number of intermediary generations.
2 Lineal kinship exists between two persons where one is descended from the other and collateral kinship exists between two persons where both are descended from a third person and are not related lineally.
1 Amended of margin title in accordance with No I 3 of the FA of 30 June 1972, in force since 1 April 1973 (AS 1972 2819, 1973 92; BBl 1971 I 1200).
2 Term amended by No I 3 of the FA of 30 June 1972, in force since 1 April 1973 (AS 1972 2819; BBl 1971 I 1200).
IV. Parenté et alliance
1. Parenté
1 La proximité de parenté s’établit par le nombre des générations.
2 Les parents en ligne directe sont ceux qui descendent l’un de l’autre, les parents en ligne collatérale ceux qui, sans descendre l’un de l’autre, descendent d’un auteur commun.