Katherine and Steven O'Connor have become the first brother and sister to qualify for the Daily Telegraph Junior Championship finals in the same year.
The Tadmarton Heath members will now play for their respective titles at Abu Dhabi Golf Club from November 17 to 24.
Katherine, 18, is making her second appearance in the finals after also qualifying in 2005.
The Welsh international, who plays off a plus one handicap, is one of nine girls targeting glory, after qualifying with a two-under-par round at Tadmarton Heath.
Steven, 17, is one of 12 players in the boys' event.
The one-handicapper, who is also a member at Frilford Heath, is looking to follow European Tour players Justin Rose, Andrew Coltart and Oliver Fisher, who are all past winners of the competition.
He shot a five-under-par round at Tadmarton to qualify.
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