Peter von Glehn ( in Jelgimeggi Manor – in Saint Petersburg) was a Baltic German botanist. Peter von Glehn was born in the Jelgimeggi manor (Jälgimäe) in 1835, to a Baltic German landowner, member of the Glehn family, Peter von Glehn (1796–1843) and Auguste Caroline Marie Burchart von Bellavary, member of the Burchardt family who took care of the Town Hall Pharmacy in Reval. He had 2 younger brothers: Nikolai (1841–1923), the founder of Nömme (Nõmme), and Len von Glehn, (1844-1920), and 3 sisters: Marie Elisabeth (1840–????), Julie Wilhelmine (1842–1867) and Marie (1843–1884). He graduated at the University of Dorpat (Tartu) with a gold medal. Glehn's Spruce (Picea glehnii), a species of conifer in the family Pinaceae, is named after Peter von Glehn.