I have a Johann Michael Erhart born ca 1640, his sons were Hans Michael Erhard born 1663 and Peter Erhard born 1678 and Nicholas Erhard born ??. All were beleived born in in Iggelheim, Germany. Hans married Marie Cathering Fabinger from Iggelheim before 1696. Their children were; Philip, Marie Elizabeth, Marie Christina, John, Johann & Marie Catharina. These early Erhards were members of the Reformed Church of Iggelheim and one of the first families listed on the church register.