Battle of Bosworth Field forces, before engaging Henry's army at the Battle of Stoke Field on 16 June 1487. Oxford and Bedford led Henry's men, including several former supporters of Richard III. Henry won this battle easily, but other malcontents and conspiracies would follow. A rebellion in 1489 started with Northumberland's murder; military historian Michael C. C. Adams says that the author of a note, which was left next to Northumberland's body, blamed the earl for Richard's death. Contemporary accounts of the Battle of Bosworth can be found in four main sources, one of which is the English "Croyland Chronicle", written by a senior
Richard III of England same direct maternal line. Joy Ibsen's mitochondrial DNA was tested and belongs to mitochondrial DNA haplogroup J, which by deduction, should also be the mitochondrial DNA haplogroup of Richard III. Joy Ibsen died in 2008. Her son Michael Ibsen gave a mouth-swab sample to the research team on 24 August 2012. His mitochondrial DNA passed down the direct maternal line was compared to samples from the human remains found at the excavation site and used to identify King Richard. On 4 February 2013, the University of Leicester confirmed that the skeleton was beyond reasonable doubt that of King Richard III.