THE SEARCH BEGINS
This is only an effort to search and find, and much of it still needs corrections and additions. I am putting this forth in order to receive the needed corrections, and if you have any, pleas contact me.
In trying to follow the lines of George b. 1770, John b. 1771, Jacob b. 1773, Alfred b. 1775, and George Michael b. 1784, it appears that one of the immigrants, Johann Andreas Weckesser (landing Philadelphia 1747) or Gerg Johann Michael Weakesser (landing Philadelphia 1749) from Zwebrecht or Zwebrucken, Germany, is most likely their Grand-father, and a Jacob b. 1750 being their father. My first guess was Gerg Johann Michael Weakesser, but it now appears to be Johann Andreas as the accepted choice. They may have had sons with them, but the Jacob Weakesser, b. about 1751, located in Rowan county, Salisbury District, North Carolina, in the 1790 census, and again in the 1800 census, was most likely born after the migration (1747). George Michael, then is most likely the son listed in the 1800 census (16-20=1), for he would be 16 years old at that time. George Michael is the youngest by several years, of the five boys. If Jacob served in the revolution of 1776, George Michael would fit in, having been born after Jacob's return home. Some sources give 1791 as George Michael's birthdate, but the preferred one is 1784. The ages of the other boys would make the two older boys old enough to have already left home (19 and 20). Thus, the census would be showing Jacob b.1773, age 17, Alfred b. 1775, age 15, and George Michael b. 1784, age 16. The females listed are unknown at this time.