Question 1

When was Piotr Onufry Justyn Sielawa born?

Accepted Answer

Piotr Onufry Justyn Sielawa was born on 1727-05-04.

Question 2

When did Piotr Onufry Justyn Sielawa die?

Accepted Answer

Piotr Onufry Justyn Sielawa died on 1789-01-01.

Piotr Onufry Justyn Sielawa

Children