And as they cam hurlyng vnder the Castel where as sir launcelot lay in wyndowe / & sawe how two knyghtes layd vpon syr Blyaunt with their swerdes /[…]/ And thenne sir launcelot brake the chaynes fro his legges and of his armes /[…]/ & so sir launcelot ran out at a posterne / and there he mett with the two knyȝtes that chaced sir Blyaunt
Source: wiktionary