oh silly me you had already stated that bit..... so most likely then Joseph was with the army in Boer War then at the time.
From newspaper reports it looks likely the Boyes and Samman's were related from what I can see on the highlighted info Ellis Boyes and Bryan Boyes were siblings, but it costs money to view he full report:
Hull Daily Mail East Riding of Yorkshire, England
11 Apr 1929
ALDERMAN MOURNED
Rowland (daughter), Mr W. Rowland (son-in-law), Mr Bryan Boyes (brother), and Mrs Boyes, Lady Saniman (niece), and Sir Henry Samman, Bryan Boyes, jun. (nephew). Tbe County Council was represented by- Sir Alexander Macdonald tho Isles (vicechairman), Mr J.....
Hull Daily Mail East Riding of Yorkshire, England
8 Dec 1931
AVIATORS AT THE ALTAR
packed church testifying to the popularity of the bridal pair. The bride was Misß Ellis Joan Watson., the daughter of Lady Samman, and step-daughter of Sir Henry Samman. of Browsholme, Cottingham, and the bridegroom Flight-Lieut. Brian Elgar Moody, only son of....
Hull Daily Mail East Riding of Yorkshire, England
2 Jan 1935
LADY SAMMAN'S SON WEDS
LADY SAMMAN'S SON WEDS Hull Bride Going to Tanganyika CHARMING SCENES AT NEWLAND MR JOSEPH BOTES WATSOX, Browsholme, Cottingham, son of Lady Samman, was married at St. John's Church, ?Sewland, to-day, Miss Betty Andrew, daughter of Mr and Mrs Arthur Ernest...
The transcription for the highlights leaves a great deal to be said about

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