Most sets of quadruplets born to the same mother
- Who
- Mrs. Vassilyeva
- Where
- Russian Federation (Shuya)
- When
- 01 January 0001
Four sets were born to the wife of Feodor Vassilyev (Russia, 1707–c.1782) who lived in Shuya, Russia. She also holds the record for being the most prolific mother.