Sorry for the delay.I haven't checked the forum lately.
What would you like to know?According to the Alderfers of America book, the immigrant Frederick Aldorfer (or Altoerfer) of Lancaster Co., Penna. had a son also named Frederick (an only child?) who moved to Shenandoah Co., Virginia.He married twice, and had three recorded children.
Please reply to this post, or email me if this helps, and you need more.