adjective/solaˈɾjeɡo/
ancestorial; stately
“transformando el antiguo caserón solariego en una morada provista de cuantas comodidades pudiera exigir en el campo el gusto más exquisito” — transforming the big old ancestorial house into a home furnished with as many creature comforts to satisfy even the most refined tastes in the countryside.
From solar (“noble lineage”) + -iego.