Family history and genealogical information about the descendants of Heini Brack (or Brock) who was born ca. 1578 in Switzerland. He married Anna Kehrer ca. 1610. They lived in Switzerland and were the parents of three known children. Descendants Hanss Michel Broch (born 8 April 1687) and Rudolph Brock (born 26 April 1685) immigrated to America in the early part of the 18th century. Hanss settled in New York and Rudolph settled in Pennsylvania. The American descendants of Heini Brack lived primarily in Virginia, Missouri, Ohio, Illinois and Indiana.

Reproduced typescript genealogy concerning the Brock family in England and America, and in particular the descendants of John and Elizabeth (Rowden) Brock.