Forefathers' unexpected stance on railway (8)

I believe the answer is:

ancestry

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'forefathers' unexpected stance on railway' is the definition.
I can't judge whether this defines the answer.

'unexpected stance on railway' is the wordplay.
'unexpected' is an anagram indicator.
'on' says to put letters next to each other.
'railway' becomes 'ry' (abbreviation for railway).
'stance' with letters rearranged gives 'ancest'.
'ancest'+'ry'='ANCESTRY'

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(Other definitions for ancestry that I've seen before include "Lineage" , "Family tree" , "Line of descendants" , "race" , "Line of forebears" .)

I've seen this clue in The Daily Express.

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