Should suam be suum (in orange) since it appears to refer to testamentum and not voluntatem? ... or is it something else?
..quod praeno(m)i(n)atus Simon Ladd defunctus, dum vixit compos
mentis, ac in sua memoria existens, suum rite et l(eg)itime condidit,
fecitque testament(u)m suum in se continen(s) ultimam voluntate(m)
pu(blic)tisus annex(um), in quo sive qua praefatum Johannem Ladd, suum et d(i)c(t)i..