0						Patricia Jane WHITFIELD (1936- ) m. Richard Measham DUFFIELD (1936- )
-1			Adrian Richard DUFFIELD (1960- ) m. Gillian Elizabeth CESSFORD (1957- )		Nicholas Thomas DUFFIELD (1962- ) m. Clare DAVIES (1964- )		Alison Jane DUFFIELD (1961- ) m. Matthew Philip Whitburn BAILEY (1961- )		Jocelyn Alice DUFFIELD (1970- )
-2			Frederick George DUFFIELD (1991- )		Alastair James DUFFIELD (1995- )		Fergus Andrew Whitburn BAILEY (1993- )		Robert Douglas Whitburn BAILEY (1995- )		Gemma Catherine Jane BAILEY (1997- )

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