David I of Scotland only after Henry II ordered David's child successor Máel Coluim IV to hand over the most important of David's gains. It is clear that neither one of these interpretations can be taken without some weight being given to the other. Henry I had arranged his inheritance to pass to his daughter Empress Matilda. Instead, Stephen, younger brother of Theobald II, Count of Blois, seized the throne. David had been the first lay person to take the oath to uphold the succession of Matilda in 1127, and when Stephen was crowned on 22 December 1135, David decided to make war. Before
Princes in the Tower Jan Allertz (Recorder of Rotterdam), all state that Richard killed the princes before he seized the throne (thus before June 1483). De Commines' "Memoirs" (c.1500), however, identifies the Duke of Buckingham as the person "who put them to death". Only Mancini's account is truly contemporary, having been written in London before November 1483. The Croyland Chronicle and de Commines' account were written three and seventeen years later, respectively (and thus after Richard III's death and the accession of Henry VII). Markham, writing long before Mancini's account was discovered, argued that some accounts, including the Croyland Chronicle, might have been authored