This makes your first language a proto-language — a language that branches off into a family of languages.
1	This	this	PRON	DT	Number=Sing|PronType=Dem	2	nsubj	2:nsubj	Discourse=causal-result:137->134:3|Entity=(176-event-giv:act-cf1*-1-coref)
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	your	your	PRON	PRP$	Case=Gen|Number=Sing|Person=2|Poss=Yes|PronType=Prs	5	nmod:poss	5:nmod:poss	Entity=(4-abstract-giv:act-cf3-3-coref(5-person-giv:act-cf2-1-ana)
4	first	first	ADJ	JJ	Degree=Pos|NumType=Ord	5	amod	5:amod	_
5	language	language	NOUN	NN	Number=Sing	2	dep	2:dep	Entity=4)
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	7:det	Entity=(180-abstract-new-cf4-2-coref
7	proto-language	proto-language	NOUN	NN	Number=Sing	2	obj	2:obj	Entity=180)
8	—	—	PUNCT	:	_	10	punct	10:punct	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	10:det	Entity=(180-abstract-giv:act-cf4-2-appos
10	language	language	NOUN	NN	Number=Sing	7	appos	7:appos|12:nsubj	_
11	that	that	PRON	WDT	PronType=Rel	12	nsubj	10:ref	_
12	branches	branch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	10:acl:relcl	_
13	off	off	ADP	RP	_	12	compound:prt	12:compound:prt	_
14	into	into	ADP	IN	_	16	case	16:case	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	16:det	Entity=(181-abstract-new-cf5-2-sgl
16	family	family	NOUN	NN	Number=Sing	12	obl	12:obl:into	_
17	of	of	ADP	IN	_	18	case	18:case	_
18	languages	language	NOUN	NNS	Number=Plur	16	nmod	16:nmod:of	Entity=(182-abstract-new-cf6-1-sgl)181)180)|SpaceAfter=No
19	.	.	PUNCT	.	_	2	punct	2:punct	_
