Feodor and Valentina Vasilyev had 16 pairs of twins, 7 sets of triplets, and 4 sets of quadruplets - order and sexes of the children are unknown, so I rolled a dice to determin those.

• Nathaniël, Ophelia & Augustus
• Cassander & Demetrius
• Violetta, Octavian, Phineas & Catalina
• Ifigenia & Aurora
• Joachim & Gavriël
• Laetitia, Magdalena & Seraphina
• Rosaura & Salomon
• Tatiana, Matthias & Lavinia
• Benedict, Amadeus, Michaël & Leopold
• 2 GG
• 3 GBB
• 2 GB
• 4 BGGB
• 2 BG
• 2 GG
• 3 BGB
• 2 BB
• 3 GGG
• 2 BB
• 3 GGB
• 2 GG
• 2 GG
• 2 GG
• 2 GG
• 2 BB
• 2 BB
• 4 BBBG