Complex sentence: This Tudor styled home was considered the first of the many large homes built in what is now termed the Old Preston Hollow area--an earlier large house in the area, by the pond near Avrill, was considered as part of the farm.
Split into simpler sentences: This Tudor styled home was considered the first of many large homes built in what is now termed the Old Preston Hollow area. Originally, there was one large house in the area further over by the pond near Avrill, but it was considered as having been part of the farm.