In White Raiment by William le Queux

"I remember very little of the events of that day," my love said, with some reluctance. "I know Ashwicke, he having been a guest here last year, and a frequent visitor at Gloucester Square. With Nora and Sir Henry I returned to London in early May, after wintering in Florence, and one morning at the end of June I met Major Tattersett unexpectedly in the Burlington. He told me that his sister and niece from Scotland were visiting him at his house in Queen's-gate Gardens, and invited me to call and make their acquaintance."

"Had you never been to his house previously?"