[2] He received a severe sabre wound to the head at Albuera which led to his capture by the French who held him prisoner at Verdun until 1815.
[4][6] They left Sydney on 17 March 1821 but on the voyage most of the Allman family's possessions were washed overboard causing them added hardship once they arrived at Port Macquarie.
[7][4] Allman and his family remained at Port Macquarie until April 1824 and over that time he directed the establishment of the settlement and pioneered the sugar-cane production at the outpost.
In this role, he oversaw operations of the New South Wales Mounted Police targeting Aboriginal resistance in the Hunter Valley.
[9] Governor Darling abolished the office of Commandant at Newcastle in 1826 and Allman decided to take up farming on his grant of 2560 acres (1036 ha) near Muswellbrook.
[1] Even with these appointments Allman appears to have found it hard to get ahead in the Colony and much of his life was spent in efforts to improve the prospects for his family.
'Near this place on 17 and 18 April 1821 were moored the vessels Lady Nelson, Mermaid and Prince Regent which convened the first detachment of troops and convicts to this District under the first commandant Capt.