The elder Silvanus owned property at Penclawdd Llanrhidian, and various farms and lands were bought including Gwen-y-Goredd, Tyry Gorge.
He established his Pharmacy at Number Two Plough Court, Lombard Street[3] in one of whose rooms Alexander Pope, the poet, had been born in 1688.
[8] In 1743 his letter entitled “An Account of an Extraordinary Case of the Bones of a Woman Growing Soft and Flexible”, was printed in their Philosophical Transactions.
[9] He was a skilled carver of ivory and several busts of well-known men are still in existence (he sent one to Lord Cobham, when he was seeking likenesses for statues for his garden at Stowe House.
[12][13] His wedding was attended by Sarah, Duchess of Marlborough,[13] Lord Finch, Lady Cartwright, William Penn, the Venetian ambassador and his wife.