Sideview totally ridiculous. I've lost my Irish dna despite having large amount prior. My son has Scottish now on both sides despite none showing up in mine. My Welsh has gone down despite having 2 grandfathers who were100% Welsh and 1 grandmother likewise and other mix of Irish and Welsh.
Sorry I don't understand you still have all the DNA you originally had, you have not lost anything.
If by DNA you are referring to ethnicity that is very fluid anyway as it all depends on the samples the various DNA testing companies use to determine what is Scottish, Welsh or double dutch. It has very little to do with race, nationality or even allegiance.
Don't take the ethnicity seriously
For instance MyHeritage claims my ethnicity is
English : 66.4%
Scandinavian 33.6%
Ancestry claims
England & Northwest Europe : 76%
Sweden & Denmark : 8%
Ireland : 8%
Scotland 5%
Norway 3%
Their claims for my wife-
MyHeritage claims her ethnicity is
English : 80.3
But they add the disclaimer that :
Britain - specifically the eastern region of the British Isles - has been populated continuously for at least the past 15,000 years, with recent ethnic stock (from before the 11th century) including pre-Celts, Celts, Romans, Anglo-Saxons, Norse, and Normans. More recently - that is, since the Middle Ages - other ethnicities migrated to Britain, whether by invitation (European Jews in 1070, by William the Conqueror, though they were expelled about 200 years later), by virtue of the African slave trade (dating back to the 1730s CE), or trade (including the oldest Chinese community in Europe, dating back to the 19th century). After World War II, that diverse immigration increased by leaps and bounds, so that the melting pot of English ethnicity has seen increased diversity from the Caribbean, South Asia, and Africa. That said, the dominant “original” British ethnic group is dominated by the English, of course, and includes the Celtic heirs, as some of Welsh, Scottish, and Irish descent respectively have settled in modern-day England.
In other words she could have DNA from possibly anywhere in the world.
Ancestry claims
England & Northwest Europe : 81%
Scotland 9%
Sweden & Denmark : 4%
Wales 4%
Ireland : 2%
Cheers
Guy