He arrived in 1777 at the age of 23, and served as a military engineer in the Continental Army with Major General Lafayette.
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	2	nsubj	2:nsubj|12:nsubj	Discourse=joint-sequence_m:28->26:1|Entity=(1-person-giv:act-cf1*-1-ana-Pierre_Charles_L'Enfant)
2	arrived	arrive	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	in	in	ADP	IN	_	4	case	4:case	_
4	1777	1777	NUM	CD	NumForm=Digit|NumType=Card	2	obl	2:obl:in	Entity=(44-time-new-cf5-1-coref)|XML=<date when:::"1777"></date>
5	at	at	ADP	IN	_	7	case	7:case	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	7:det	Entity=(45-abstract-new-cf2-2-sgl
7	age	age	NOUN	NN	Number=Sing	2	obl	2:obl:at	_
8	of	of	ADP	IN	_	9	case	9:case	_
9	23	23	NUM	CD	NumForm=Digit|NumType=Card	7	nmod	7:nmod:of	Entity=45)|SpaceAfter=No
10	,	,	PUNCT	,	_	12	punct	12:punct	_
11	and	and	CCONJ	CC	_	12	cc	12:cc	Discourse=elaboration-additional:29->28:0
12	served	serve	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	conj	2:conj:and	_
13	as	as	ADP	IN	_	16	case	16:case	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	16:det	Entity=(1-person-giv:act-cf1*-3-pred-Pierre_Charles_L'Enfant
15	military	military	ADJ	JJ	Degree=Pos	16	amod	16:amod	_
16	engineer	engineer	NOUN	NN	Number=Sing	12	obl	12:obl:as	Entity=1)
17	in	in	ADP	IN	_	20	case	20:case	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	Entity=(46-organization-new-cf3-2,3-coref-Continental_Army
19	Continental	Continental	ADJ	NNP	Degree=Pos|Number=Sing	20	amod	20:amod	XML=<ref target:::"https://en.wikipedia.org/wiki/Continental_Army">
20	Army	Army	PROPN	NNP	Number=Sing	12	obl	12:obl:in	Entity=46)|XML=</ref>
21	with	with	ADP	IN	_	22	case	22:case	_
22	Major	Major	PROPN	NNP	Number=Sing	12	obl	12:obl:with	Entity=(47-person-new-cf4-1,2,3-coref-Gilbert_du_Motier%2C_Marquis_de_Lafayette|XML=<ref target:::"https://en.wikipedia.org/wiki/Major_general">
23	General	General	PROPN	NNP	Number=Sing	22	flat	22:flat	_
24	Lafayette	Lafayette	PROPN	NNP	Number=Sing	22	flat	22:flat	Entity=47)|SpaceAfter=No|XML=</ref>
25	.	.	PUNCT	.	_	2	punct	2:punct	_
