Elizabeth Seward

In his Baptist History on p526 John Mockett Crampton speaks about Anne Steele the hymn writer then says

Another lady, Mrs. ELIZABETH SEWARD, widow of Benjamin Seward, Esq, of Evesham, Worcestershire, bequeathed the sum of £4,550, the interest whereof was directed to be annually distributed among the ministers or the poor of several Baptist churches named in the will, in the proportions therein specified.

See here.