My grand grand father was Daniel Irgang
(probably born in Berlin)
My grand father was August Irgang, born in Chorrenson - Luske - today Lodz.
He maried Anna Rosalie Schmitd in Zdunskayavola in 20 january 1887.
In hes mariage certificate the name is spelling Irrgang.
Thats all I know.
If any one has someting more, please contact me.
Thanks.
Herbert Gunther Irgang
Sao Paulo - Brasil
email:
irgan@terra.com.br