" Alan Campbell, 152, Hertford Street, Mayfair" .

“Alan Campbell，梅菲尔赫特福德街 152 号”。

Then follow the terrace, cross the road, and go along Hertford Street, and so into Lillington Square.

然后沿着露台， 过马路，沿着赫特福德街， 一直走到利灵顿广场。

" Take this round to 152, Hertford Street, Francis, and if Mr. Campbell is out of town, get his address" .

“走这一圈到赫特福德街 152 号，弗朗西斯，如果坎贝尔先生不在城里，就知道他的地址”。

He was the illegitimate son of the fourth marquess of Hertford, and was married to a commoner, but as he was the sole heir, he inherited the Marquess's vast fortune and his extensive art collection.

他是哈特福侯爵四世的私生子，娶了一个平民，但由于他是唯一继承人，他继承了侯爵的巨额财富和他广博的艺术收藏。