Jonathan, the second son of Solomon Austin, m Miss Hannah Potts, and had seven children. He and his son John built Austin’s mills in the Lynn Valley.
In the war of 1812, true to their principles of loyalty, the father and four sons (Solomon Jr., Jonathan, Phillip and Moses) shouldered their muskets and marched under Brock to fight the hated “Yankees,” once more. They fought at Malcolm’s Mills (Oakland), Fort Malden, Fort Detroit, Fort Erie, Nanticoke Creek, McCrae House and Lundy’s Lane. In the 2nd Regiment Norfolk Militia Jonathan attained the rank of Captain and his commanding officer was Lieutenant Colonel Robert Nichol. The descendants of this family are the most numerous of any of the families of the settlement.