Among the  family’s reminiscences have survived a chalk drawing, portraying János Lajos Heidenreich, who was a doctor, and who have born in 31. Jan. of 1747, in Engelsberg of Austrian-Silezia (today  Andelska Hora/Czech Republic)
        -         in 1775 he have gain Diploma of        
             Doctor of Medicine, 
        -         in 1778 he became the chief physician   
             of Arad county,  
          -          in 1786 he was in Jászberény, the chief
             physician of the Jász and Kun districts.

There is eight works of him in the  lexicon of physician writers  (Szinnyei József: Magyar írók élete és munkái. IV.k. Bp.1896.) 

He is connected to the Skonda family trough Anna Rósenberg, the wife of the Blasius Georgius Skonda (1797-1863), the stamp user, mentioned before. He was the maternal grandfather of her.