His oghne untrowthe him schal depose. 2750
And forto seche an evidence,
With honour and gret reverence,[779]
Wherof they mihten knowe an ende,
To themperour anon thei sende
The lettre which his Sone wrot.
And whan that he the sothe wot,
To telle his sorwe is endeles,
Bot yit in haste natheles
Upon the tale which he herde