Margaret of York where they were laid out and uncovered from the chest upwards in the sight of everybody." Edward IV was successfully restored; Edward of Westminster, the son and heir of Henry VI, had died in battle, and Henry VI, who had been briefly restored, died in his cell in the Tower of London two weeks later. The two deaths brought to an end the direct line of the House of Lancaster. By this time, Isabella's health was beginning to fail; in June 1471, she drew up her will, in which she bequeathed her favourite residence of La-Motte-au-Bois to Margaret. Yet, at
IEEE 1471 Standards Board approved the specification as IEEE Std 1471-2000. In 2006, ISO/IEC Joint Technical Committee 1 (JTC1), Information technology/Subcommittee SC 7, Software and systems engineering, adopted the specification as ISO/IEC 42010, under a special "fast-track procedure", in parallel with its approval by national bodies of ISO and IEC. A coordinated revision of this standard by ISO/IEC JTC1/SC7/WG42 and IEEE CS commenced in 2006, following the successful ISO/IEC fast-track ballot and in line with the IEEE standard 5-year review of the standard. In November 2011, IEEE 1471-2000 and ISO/IEC 42010:2007 was superseded by ISO/IEC/IEEE 42010:2011, "Systems and software engineering — Architecture