Question 1

When was Pyotr Heyden born?

Accepted Answer

Pyotr Heyden was born on 1840-10-29.

Question 2

When did Pyotr Heyden die?

Accepted Answer

Pyotr Heyden died on 1907-06-15.

Question 3

Who were Pyotr Heyden's parents?

Accepted Answer

Pyotr Heyden's parents were Alexander Friedrich Sigismund Heyden.

Pyotr Heyden

Parents