I give and bequeath to my son Thomas £325 to be paid at the age of 21 years of age. I give and bequeath to my son John the sum of £325 to be paid at the age of 21 years of age. I give and bequeath to my daughter Sarah £140 to be paid at the age of 21 years of age. I give to my loving wife Sarah Harris the sum of 5 shillings. He gives and bequeaths all the rest and residue of personal estate to sons Thomas and John Harris shared equally amongst them. It then goes onto say what will happen if any of the children should die before reaching the age of 21.