See Ormulum, Introduction, p. lxxviii., note 105.
Sinden, are, occurs in the Ormulum and the Bestiary, but is not employed in the present poem.
These forms occur in O.E. Hom., 2nd Series.
In O.E. Hom., 2nd Series, we find hes = them. See Moral Ode, l. 186, O.E. Hom., 2nd Series: "wel diere he hes bohte."
Robt. of Gloucester, Shoreham, Dan. Michel's Ayenbite of Inwyt.