Poker Results (D7)

Alice, Barbara, Claire, Daniel and Edward are discussing the result of the card game of the previous night.

Person #1 (woman): "Claire is single. The sisters and brothers all together totalled a loss of £9."

Person #2 (man): "My wife and I have lost a total of £1."

Person #3 (woman): "My sisters-in-law, all together, have lost £2."

Person #4 (man): "My brother-in-law and I have managed to lose £12 all together."

Person #5 (woman): "My result combined with that of Alice - who is Daniel's wife and an only child - is overall positive."

How much has each of them won or lost?