1854 to England and then to USA as indentured servant to pay for ship passage debt.

1758 to New Holland, PA as preacher, where he met and married his wife, Dorothea.

1762 officially ordained by Lutheran Church.

1763 to Frederick, Maryland after birth of Samuel Jr.

Late 1768 family trip to Germany, return 1769 to become travelling minister.

1773 Ministry at First Lutheran Church, Albany, NY

1774-1781 United Empire Loyalists of German origin from Mohawk Valley, NY (north-west of Albany) settle in Williamsburg Twp., Dundas Co.

1784 Ministry at Gilead Church, Center Brunswick, Renselaer Co., NY (north-east of Albany)

1789 Loyalists erect Zion’s Lutheran Church north of intersection of County Rd. #8 and Hwy. #2.

1791 Schwerdtfeger family moves to Williamsburg Twp.
Extracted from page 8 of http://www.uelac.org/Loyalist-Info/extras/McDonell-Randy/McDonell-Randy-bio-by-Jim-Willis.pdf