Little is recorded about this group, but they were probably the ancestors of the Gododdin, whose feats are told in a seventh-century Old Welsh manuscript.
( ( ( ( ( Little ( is ( recorded ( about ( this group ) ) ) ) ) , ) but ) ( they ( ( were probably ) ( ( the ancestors ) ( of ( ( ( the Gododdin ) , ) ( ( whose feats ) ( are ( told ( in ( a ( seventh-century ( Old ( Welsh manuscript ) ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Little)) (VP (VBZ is) (VP (VBN recorded) (PP (IN about) (NP (DT this) (NN group)))))) (, ,) (CC but) (S (NP (PRP they)) (VP (VBD were) (ADVP (RB probably)) (NP (NP (DT the) (NNS ancestors)) (PP (IN of) (NP (NP (DT the) (NNP Gododdin)) (, ,) (SBAR (WHNP (WP$ whose) (NNS feats)) (S (VP (VBP are) (VP (VBN told) (PP (IN in) (NP (DT a) (JJ seventh-century) (NNP Old) (NNP Welsh) (NN manuscript)))))))))))) (. .)))
Gododdin's deeds were never written down because it was to be passed down only orally. 
( ( ( Gododdin 's ) deeds ) ( ( ( were never ) ( ( written down ) ( because ( it ( was ( to ( be ( ( ( passed down ) only ) orally ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Gododdin) (POS 's)) (NNS deeds)) (VP (VBD were) (ADVP (RB never)) (VP (VBN written) (PRT (RP down)) (SBAR (IN because) (S (NP (PRP it)) (VP (VBD was) (S (VP (TO to) (VP (VB be) (VP (VBN passed) (PRT (RP down)) (ADVP (RB only)) (ADVP (RB orally))))))))))) (. .)))