Family: Martin Sylvanus Hoyle, Sr. / Maria Margraret Schramm (F1573)
m. 1780 | Johann Jacob Heyl (1731-1763) 
|
 | Elizabeth (1733-1779)
|
| Hannah Hoyle (1759-1844)  |
| Anne Hoyle (1761-1775) |
| Martin Sylvanus Hoyle, Sr. (1757-1795)
|
| Maria Margraret Schramm (1757-1830)
|
| Henry B. Heyl (1781-1850) |
| David Henry Hoyle (1797-1850) |
| John Hoyl, II (1783- ) |
| Martin Sylvanus Hoyle, II (1784-1859) |
| Hannah Hoyl (1788- ) |
| Margaret Hoyle (1790-1859) |
| Mary Catherine Hoyle (1791-1861) |
| Elizabeth Hoyl (1792-1840) |
| George Hoyle (1791- ) |
| Christopher Hoyle (1788- ) |
| Wilson Hoyle (1786-1859) |
| John Hoyle (1790-1860) |