Question 1

When was Leszek, Duke of Masovia born?

Accepted Answer

Leszek, Duke of Masovia was born on 1162-01-01.

Question 2

When did Leszek, Duke of Masovia die?

Accepted Answer

Leszek, Duke of Masovia died on 1186-01-01.

Question 3

Who were Leszek, Duke of Masovia's parents?

Accepted Answer

Leszek, Duke of Masovia's parents were Viacheslava of Novgorod and Bolesław IV the Curly.

Leszek, Duke of Masovia

Parents