Thanks to the links made by other sleuths, it really helped sort this side out!
Such a confusing family to work out.
They all had family names/nicknames !
Collating it all here so it makes some sort of sense.
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can't access a lot of the links as they require subscription.
Did you find any actual birth records for RGordonW then? On Ancestry I haven't been able to. I apologise if it's in here and I've missed it.