| 1749 | My 6g-grandfather, Jacob Hertzler, arrives from Switzerland with his family, including 5g-grandfather, John Hertzler. He is the first pastor of the Amish congregation in the town of Hamburg. |
| Jan 1755 | My 4g-grandfather, John Hertzler, is born to John and Veronica Hertzler. |
| 1770 | My 3g-grandfather, Christian Plank, is born to Melcher and Margaret Plank. |
| Jul 1780 | My 3g-grandfather, Jacob Hertzler, is born to John and Anna Hertzler. |
| 1792 | Christian Plank marries Barbara Yoder, either here or in Lancaster county, where all their children are born. |
| 1790-1810 | Many Hertzler family members move west to Mifflin county. |
| Sep 1855 | Jeanette's great-grandmother, Lucy Ann Jennings, is born in Bradford county. We don't know where she spent her childhood. She turns up in DeWitt county, IL, in 1872, when she marries Ben Inman. |
| Nov 1820 | My 2g-grandfather, Henry Wilhelm, is born in Millerstown to John and Catharine Wilhelm. |
| ~1807 | Jeanette's 2g-grandmother, Catherine Shaver, is born to "Major" John and Mary Shaver, possibly in the area around what is now Mount Union. |
| Jul 1808 | My 2g-grandfather, Samuel Plank, is born to Christian and Barbara Plank. The Planks soon move to Mifflin county. |
| Jun 1826 | My 2g-grandmother, Eliza Horst, is born in Lebanon county. |
| Oct 1845 | Henry Wilhelm and Eliza Horst marry in Tabor Reformed Church. |
| ~1851 | Henry and Eliza move to Monroe county, Michigan. |
| ~1793 | My 3g-grandparents, Moses Perry and Sarah Russell, arrive in what is now Williamsport. Whether they were already married or got married after arrival with their families, we don't know, nor do we know where they come from. They only stay about six years before moving on to Venango county. |
| Jun 1810 | My 2g-grandmother, Juliana Hertzler, is born to Jacob and Kristina Hertzler. |
| Mar 1830 | Juliana marries Samuel Plank, who has come here from Lancaster county. |
| Apr 1833 | Jeanette's great-grandfather, James Langton, is born in Mifflin county, probably in Granville township, to Joseph and Catherine Langton. |
| Jun 1842 | Jeanette's great-grandmother, Elizabeth Sterrett, is born in Mifflin county, probably in Armagh township, to Nathaniel and Mary Sterrett. |
| Fall 1845 | Samuel and Juliana Plank join the Mennonite migration to Logan county, Ohio. |
| Feb 1865 | James Langton and Elizabeth Sterrett marry and soon afterward move to Illinois. |
| July 1810 | My 2g-grandmother, Mary Ann Smith, is born in Northumberland county, to David and Ann Smith. |
| ~1767 | My 4g-grandparents, Melcher and Margaret Blanck, arrive in the Colonies unwillingly at the port of Philadelphia. Melcher is soon sold into indentured servitude in Berks county, where his name is changed to Plank. |
| ~1799 | My 3g-grandparents, Moses and Sarah Perry, arrive from Lycoming county. |
| Dec 1802 | My 2g-grandfather, John Perry, is born in Scrubgrass township to Moses and Sarah. |
| Jun 1834 | John Perry and Mary Ann Smith marry, probably in Scrubgrass township. |
| Oct 1841 | My great-grandmother, Sarah Jane Perry, is born to John and Mary Ann. |
| ~1845 | John and Mary Ann build a flatboat in which they and their children float down the Allegheny and Ohio rivers to their new home in Ohio. |