It was then that he had taken on the name of William Wilson.
1	It	it	PRON	EX-P3SG	_	2	expl	_	_
2	was	be	VERB	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
3	then	then	ADV	_	PronType=Dem	2	dislocated	_	_
4	that	that	SCONJ	REL	_	7	mark	_	_
5	he	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
6	had	have	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	7	aux	_	_
7	taken	take	VERB	PERF	Tense=Past|VerbForm=Part	3	acl	_	_
8	on	on	ADP	_	_	7	compound:prt	_	_
9	the	the	DET	DEF	Definite=Def|PronType=Art	10	det	_	_
10	name	name	NOUN	SG-NOM	Number=Sing	7	obj	_	_
11	of	of	ADP	_	_	12	case	_	_
12	William	William	PROPN	SG-NOM	Number=Sing	10	nmod	_	_
13	Wilson	Wilson	PROPN	SG-NOM	Number=Sing	12	flat	_	SpaceAfter=No
14	.	.	PUNCT	Period	_	2	punct	_	_
