Rebecca Schweitzer had three sons. William and Louis (as part of the article) and Peter, who was the third son. Perhaps there was confusion by the author as Rebecca was married to Peter, and they had a son they named Peter as well, contrary to Jewish custom.
Rebecca Schweitzer had three sons. William and Louis (as part of the article) and Peter, who was the third son. Perhaps there was confusion by the author as Rebecca was married to Peter, and they had a son they named Peter as well, contrary to Jewish custom.