Given the question: Read the bio below and try to give details on william iv , grand duke of luxembourg 's: - regent - mother - predecessor - house - birth date - issue - succession - reign - spouse - death date - father - name - death place - birth place - successor - image size - image - religion Bio: william iv -lrb- 22 april 1852 -- 25 february 1912 -rrb- reigned as the sovereign grand duke of luxembourg from 17 november 1905 until his death . he succeeded his father , adolphe , grand duke of luxembourg . he also held the title of duke of nassau , although that was annexed by prussia after the austro-prussian war of 1866 . william iv was a protestant , the religion of the house of nassau . he married princess marie anne of portugal , believing that a roman catholic country ought to have a roman catholic monarch . thus since william iv all other grand dukes have been catholic . at the death of his uncle , prince nikolaus-wilhelm in 1905 , the only other legitimate male in the house of nassau-weilburg was william 's cousin , georg nikolaus , count of merenberg , the product of a morganatic marriage . so in 1907 , william declared the counts of merenberg non-dynastic , naming his own eldest daughter marie-adelaide -lrb- 1894 -- 1924 -rrb- as heiress-presumptive to the grand ducal throne . she became luxembourg 's first reigning female monarch upon her father 's death in 1912 , and upon her own abdication in 1919 , was succeeded by her younger sister charlotte -lrb- 1896 -- 1985 -rrb- . charlotte 's descendants have reigned until the present day . he was the last monarch of luxembourg to die in office .
The answer is:
- regent is marie anne of portugal -lrb- 1908 -- 1912 -rrb-- mother is princess adelheid-marie of anhalt-dessau- predecessor is adolphe- house is house of nassau-weilburg- birth date is 22 april 1852- issue is marie-adelaide duchess of luxembourg hilda , princess of schwarzenberg antonia , , crown princess of bavaria elisabeth , princess ludwig philipp of grand thurn and taxis sophie , princess ernst heinrich of saxony duchess of luxembourg charlotte , grand- succession is grand duke of luxembourg- reign is 17 november 1905 -- 25 february 1912- spouse is marie anne of portugal- death date is 25 february 1912- father is adolphe , grand duke of luxembourg- name is william iv- death place is berg castle , colmar-berg- birth place is biebrich palace , wiesbaden- successor is marie-adelaide- image size is 200px- image is guillaume iv of luxembourg.png- religion is calvinism