I don't know what their names are.

I've no memory for names." "That's an advantage to any one who answers doors," said the Duke, smiling at the stolid Firmin.
"Well, it can't be the two Charolais again.

It's not time for them to come back.

I told them papa would not be back yet," said Germaine.
"No, it can't be them, Mademoiselle Germaine," said Firmin, with decision.
"Very well; show them in," she said.
Firmin went out, leaving the door open behind him; and they heard his hob-nailed boots clatter and squeak on the stone floor of the outer hall.
"Charolais ?" said the Duke idly.

"I don't know the name.