1,737 + 13 = 1,750
Skeffington Lutwidge was born on 1737-03-13.
13+13+13+13+13+13+13+13+13+13 = 13 * 10 = 130.
91
Thomas Williams of Llanidan was born on 1737-05-13.
1737 = MDCCXXXVII
he was 9 because 1737 plus 9 is 1742 which is when his uncle adopted him
1737 - 1793 = -56
13 plus 13 is equal to 26
1, 3, 9, 193, 579, 1737
Plus 12 plus -13 plus plus 1 can be rewritten in mathematical terms as: 12+(-13)+1 or 12-13+1 12-13+1 =-1+1 =0
1737 Boston
It is: 5+13+18 = 36