conseiller Petteri Vilhelmi Thesleff, master of Juustila manor, town councillor of Viipuri

5 Sep 1735 Viipuri, Karelian isthmus, old Finland - 24 Jun 1818 Viipuri, Karelian isthmus, Grand Duchy of Finland (1735–1818)

Parents

• burgher Johannes Thesleffi, town councillor of Viipuri
• Katriina Lotta of Havemanni

Children

• conseiller Johannes Henrikki Thesleffi
• Peter Georg Thesleff
• Alexander Amatus Thesleff