PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX migrants: <http://example.org/migrants/>
PREFIX person: <http://example.org/migrants/person/>
PREFIX personp: <http://example.org/migrants/person#>
PREFIX work: <http://example.org/migrants/work/>
PREFIX workp: <http://example.org/migrants/work#>
PREFIX location: <http://example.org/migrants/location/>
PREFIX locationp: <http://example.org/migrants/location#>

CONSTRUCT {
  ?s ?p ?o .
}
WHERE {
  {
    # Triples about Irene Abendroth (as subject)
    ?s ?p ?o .
    FILTER(?s = person:AbeIre-00)
  }
  UNION
  {
    # Triples from other tables referencing Irene Abendroth
    ?s ?p ?o .
    ?s ?ref person:AbeIre-00 .
  }
}