Peruslähisukulaisuussuhteet
Peruslähisukulaisuussuhteet refers to the fundamental kinship ties that form the basis of family structures. These relationships are typically recognized by law and social custom and include connections through blood or marriage. The most direct peruslähisukulaisuussuhteet are between parents and children, as well as between siblings. These form the core of immediate family units.
Beyond the immediate family, peruslähisukulaisuussuhteet extend to grandparents, grandchildren, aunts, uncles, nieces, and nephews. These relationships
Marriage creates another significant category of peruslähisukulaisuussuhteet, known as affinal kinship. This includes the relationship between