Grinning at Harry from the front seats were Fred and George, Ron's elder twin brothers.
1	Grinning	grin	VERB	ING	Tense=Pres|VerbForm=Part	0	root	_	_
2	at	at	ADP	_	_	3	case	_	_
3	Harry	Harry	PROPN	SG-NOM	Number=Sing	1	obl	_	_
4	from	from	ADP	_	_	7	case	_	_
5	the	the	DET	DEF	Definite=Def|PronType=Art	7	det	_	_
6	front	front	NOUN	SG-NOM	Number=Sing	7	compound	_	_
7	seats	seat	NOUN	PL-NOM	Number=Plur	1	obl	_	_
8	were	be	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	1	cop	_	_
9	Fred	Fred	PROPN	SG-NOM	Number=Sing	1	nsubj	_	_
10	and	and	CCONJ	_	_	11	cc	_	_
11	George	George	PROPN	SG-NOM	Number=Sing	9	conj	_	SpaceAfter=No
12	,	,	PUNCT	Comma	_	17	punct	_	_
13	Ron	Ron	PROPN	SG	Number=Sing	16	nmod:poss	_	SpaceAfter=No
14	's	's	PART	GEN	_	13	case	_	_
15	elder	old	ADJ	CMP	Case=Nom	16	amod	_	_
16	twin	twin	NOUN	SG-NOM	Number=Sing	17	compound	_	_
17	brothers	brother	NOUN	PL-NOM	Number=Plur	11	nmod	_	SpaceAfter=No
18	.	.	PUNCT	Period	_	1	punct	_	_
