Claes Edward AKERHIELM, 237118 London Gazette : 237118 237118 : Notices | All Notices | The Gazette... Claes Edward AKERHIELM : Notices | All Notices | The Gazette... Westminster School's Archive & Collections Has... Akerhielm, Claes Edward, 1918-2012 GB-2014-WSA-02006 1918-2012 Akerhielm, Claes Edward, son of Baron Evert Akerhielm, Swedish Dipl. Service, and Mary Dorothy, d. of Charles Frederick Maria Scarisbrick; b. 27 Feb. 1918; adm. Jan. 1932 (H); left Mar. 1936; a consulting engineer; MIEE 1941, CEng FIEE 1959; RAOC July 1942, REME Oct. 1942 (Capt.); Ewbank & Partners Ltd (London and Brighton) 1958-78; m. 1st 26 June 1943 Suzanne Naomi, d. of Col. E. L. W. Henslow OBE MC, of Fleet, Hams; 2nd 12 Dec. 1952 Lynette Mary Guinness, widow of Maj. George Learmouth Streeter MC; d. 1 Jun. 2012. 534 Baron Albert Lars Evert Åkerhielm af Blombacka – <a href="https://wowbugger.synology.me/blog/534-friherre-albert-lars-evert-akerhielm-af-blombacka/" title="sv_SE"><img src="https://wowbugger.synology.me/english/wp-content/plugins/multisite-language-switcher/flags/se.png" alt="sv_SE"/></a> Blombacka - Wikipedia Miscellaneous Sörmlands museum · Släkten Åkerhielm på Ökna
Lynnette Mary MC (born GUINNESS)was born to Capt Eric Cecil GUINNESS DSO . Capt was born on August 30 1894. Lynnette had one brother: Patrick Robert GUINNESS . Lynnette married George Learmonth STREETER MC . George was born on January 22 1910. They had 3 children. Lynnette then married Baron Claes Edward AKERHIELM . They had one child. Lynnette passed away in 2002. https://www.myheritage.com/names/lynnette_guinness
Looks like his temporary Captaincy came a few months later than Westminster suggests. (857) - Army lists > Quarterly Army Lists (Second Series), July 1940-December 1950 > 1946 > Third quarter > Part 1 > Volume 2 - British Military lists - National Library of Scotland