A manuscript written c. 1634 (see p. 165) containing pedigrees (pp. 164-166, 189-215, 217-243); Bonedd y Saint (pp. 87, 216); 'Dosbarth Arveu' (pp. 167-188); proverbs (pp. 160-162); triads (pp. 259-260); 'Cantrevyd a chymydeu Cymru' (pp. 244-245); medical recipes (pp. 249-258); &c.
The manuscript is in the same hand as Llanstephan MSS 122-125 and may be that of John Pryce, rector of Mellteyrn (see p. 103).

A volume in the hand of Evan Evans (Ieuan Fardd) containing pedigrees and genealogy (pp. 1-93, 117-133), including transcripts from Heraldic Visitations of Wales, Vol. II, pp. 67, 83, 97-111, 104-105, 107-109, 119, 122, 139-140, 285, 290-291 (pp. 1-21, 57-93, 131-133); words added by Dr John Davies, Mallwyd, to his Dictionary (pp. 97-110) and his additions to the Welsh proverbs (pp. 111-116); historical extracts (pp. 155-180, 210-230); etc.
The text beginning at p. 210 is from a manuscript of Wiliam Llŷn and contains Annales Oweni Glyndwr (see NLW MS 1991B and Peniarth MS 267, pp. 4-14).