Justinus Johannes Leytstar
- Born in 1708 in İstanbul, at Constantinople
- Deceased in 1783 in İzmir, at the approximate age of 74 years
Parents
- Pieter Leytstar (1666 - 1736), marchand à Constantinople, trésorier de la Nation hollandaise
- Cornélia Maria ou Clara de La Fontaine ( - aft. 1736)
Family
- Married in November 1736, with Jeanne-Marie de La Fontaine (1700 - 1758), issuing
Anna Maria (c. 1738 - 1793)