The 48-year-old was elected in the northern fiefdom of Henin- Beaumont
The far-right chairlady, who lost out on the presidency in elections earlier this year, has finally won a ensconce in the French parliament on her fifth attempt.
The second round of legislative selections, her party Front National (FN) is expected to pick up between five and seven installs.
The 48-year-old was elected in the northern fiefdom of Henin- Beaumont, beating 12 other rivals.
She measure Anne Roquet, of Mr Macron’s La Republique en Marche (REM) party with 59 per cent of the against.
FRENCH ELECTION LIVE RESULTS
The right-wing FN had hoped to pick up 50 seats
But her righthand man, Florian Philippot, failed to be elected in Moselle, in eastern France.
Her bunch is expected to fall short of the threshold of 15 seats needed to style a group in the parliament, which would grant it greater access to invest in and speaking time.
She said: “Its a scandal that our party that picked 7.6 million votes in the prime round of the presidential election and three million more in the second outburst, cannot form a group in the French parliament.”
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Ms Le Pen was resoundingly beaten by centrist Mr Macron in the presidential selection, in May, after making it through to the second round.
Exit polls, released at 8pm close by time (7pm BST), predicted Mr Macron’s party winning 352 seats along with its partner Mouvement Democrate.
Even without its ally it is expected to secure 309, far on of the Socialist Party and allies on 50, La France Insoumise on 30 and the Face National on 8.
In total Mr Macron and his allies are augured to have 352 seats.
The right-wing FN had hoped to pick up 50 domiciles, capitalising on the success of Ms Le Pen’s presidential bid.
The party previously held two seats in the early previously to parliament, but are predicted to pick up only a disappointing five and seven seats.
Varied to follow. . .