A first-born son Johann Joseph Brentner is baptized but dies at only six months of age
1686, September 2, Dobřany
SOA Plzeň, Sbírka matrik západních Čech, Dobřany 03, f. 77r
Joannes Josephus filius Consultissimi D[omi]ni Primatis Joannis Georgij Brendner et Annae Catharinae. Levans Bartholommaeus Schremling. Testes D[omi]nus Andreas Graas, et D[omi]na Ursula Buslin
