prefix db: <http://dbpedia.org/ontology/>
prefix dc: <http://purl.org/dc/terms/>
prefix skos: <http://www.w3.org/2004/02/skos/core#>
prefix category: <http://dbpedia.org/resource/Category:>

select distinct ?member, ?mpName, ?mpPartyLabel , (group_concat(distinct ?catLabel; separator=", ") as ?categories) where {
    {
        ?member dc:subject <http://dbpedia.org/resource/Category:MPs_of_the_United_Kingdom_House_of_Commons,_by_Parliament> .
    } union {
        ?member dc:subject [skos:broader <http://dbpedia.org/resource/Category:MPs_of_the_United_Kingdom_House_of_Commons,_by_Parliament>] .
    }

    ?member a db:Person .
    ?member dbpprop:name ?mpName .
    ?member dbpprop:party ?mpParty .
    ?member dc:subject ?cat .
    ?mpParty rdfs:label ?mpPartyLabel .
    FILTER(LANG(?mpPartyLabel) = "" || LANGMATCHES(LANG(?mpPartyLabel), "en"))
    ?cat skos:broader <http://dbpedia.org/resource/Category:MPs_of_the_United_Kingdom_House_of_Commons,_by_Parliament> .
    ?cat rdfs:label ?catLabel
}