what are the variations regional wise?
The aristocratic society centered on the castle originated in Carolingian France an on the northern and western fringes, society was kin-based rather than feudal, and households were organised correspondingly.
Medieval household
The aristocratic society centered on the castle originated, as much of medieval culture in general, in Carolingian France, and from there spread over most of Western Europe. In other parts of Europe, the situation was different. On the northern and western fringes of the continent, society was kin-based rather than feudal, and households were organised correspondingly. 
high official in the household of a medieval king Those were often filled by men of rank: sons of the lord's relatives, or his retainers. describe the households of nobles? Royal household officials were largely responsible for the governance of the realm, as well as the administration of the household. name a few noble households? Carolingians of France, who rose from the position of royal stewards – the Mayors of the Palace – to become kings in their own right. is house of stuart a noble household? No, royal house where did the royal house get its name? From political position of office similar to a governor; "steward". are they monarchs? Yes which places are they monarchs of? UNANSWERABLE who were the monarchs of ireland? UNANSWERABLE describe the composition of medieval household? As a result of the military nature of the medieval noble household, its composition was predominately male.
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Medieval household [SEP] Regional variations
The aristocratic society centered on the castle originated, as much of medieval culture in general, in Carolingian France, and from there spread over most of Western Europe. In other parts of Europe, the situation was different. On the northern and western fringes of the continent, society was kin-based rather than feudal, and households were organised correspondingly. In Ireland, the basis for social organisation was the "sept", a clan that could comprise as many as 250 households, or 1250 individuals, all somehow related. In Viking-age Scandinavia, housing arrangements were more humble than those of contemporary France or England, but also here the greater lords would own grand halls wherein they might entertain large numbers of guests.