The Soviet government replaced the church with a registry office (civil registration), abolished the age limit for marriage at 80 years, and allowed marriages between cousins.
The most difficult new family relationships took root in the Caucasus, Transcaucasia, Central Asia and Siberia. Here we had to fight against kalym and polygamy.
New, ideologically correct names have appeared:
Avangard, Algebraina, Barricade, Battle, Bolshevik, Struggle, Velior (The Great October Revolution), Vil (Vladimir Ilyich Lenin), Vladlen (Vladimir Lenin), Voltaire, Vulcanida (in memory of the volcanic eruption in Kamchatka), Hero, Giant, Hypothesis, Gopriod (warmly welcome and approve), Democrat, Diesel, Diesel engine, Blast furnace, Donera (child of the new era), Dotnara (child of the working people), Trolley, Isthmus (historical materialism), Kammira (Communism and peace), Kina (Communist international), Button, Sledgehammer, Lenizh (Lenin is alive), Lenore, Lenore (Lenin is our weapon), Lenstal (Lenin, Stalin), Leonard (Lenin — teacher of peoples), Medera (international day of the worker), Miroctabr (world October), Hammer, Continuity, Bond, October, Olor (11 years of the October Revolution), Persostratus (the first Soviet stratostat), Prolya (proletarian revolution), Pyativlechet (five-year plan in four years), Roar (revolution), Romina (mother's native hope), Rem (revolution, Engels, Marx), Tractor, Tractor, Tribunal, Yunkom (young communist). And, perhaps, the most exotic name is Dazdraperma (long live May 1st!).
Most of all, the innovations harmed the patriarchal peasant family, in which there were no traditions and subordination of the younger to the elders.