Analysis of information sources in references of the Wikipedia article "أبناء أنطون من براونشفايغ وآنا ليوبولدوفنا" in Arabic language version.
'Nine days after Alexei's birth, on 19 March 1746, Anna Leopoldovna died of post-natal fever at the age of twenty-seven in Kholmogory'
'Nine days after Alexei's birth, on 19 March 1746, Anna Leopoldovna died of post-natal fever at the age of twenty-seven in Kholmogory'
