These seem likely to be the death notices for John and Mary
sadly no info about where they were to be buried.
Liverpool Standard & General Advertiser
04 Jul 1848, page 15 col 6
DIED
[On the 27th Ultimo . .]
Same day, in Upper Stanhope-Street, aged 67, Captain STROYAN
Liverpool Standard & General Advertiser
14 Oct 1851, page 3 col 6
DIED
On the 6th inst., Mary, relict of the late Captain Stroyan
Boo