Eren Toben, 20, lured girlfriend Maria Peiner, 19, into a wood on the outskirts of Berlin with the help of old schoolfriend Daniel Mueller.
After pretending they were going shopping for baby clothes, the pair captured the girl, attacked her with a piece of wood, stabbed her with a bread knife and then poured petrol over her before setting her alight.
Toben and his accomplice were jailed for 14 years for the horrific crime.
Sentencing him, Judge Regina Alex said: ‘For him the crime was a solution, he wanted a free, happy life which he had control over.
‘He abused Maria’s love for him to lure her into an ambush.’
Maria was eight months pregnant and was looking forward to becoming a mother, the court heard.
But in January last year, Toben became nervous about the prospect of becoming a dad and hatched the plot to kill her. Full Report