name             birth       marriage                         became consort              ceased to be consort          spouse
0               louise of hesse - kassel  7 september 1817    26 may 1842  15 november 1863 husband 's ascession                 29 september 1898    christian ix
1                       louise of sweden   31 october 1851   28 july 1869   29 january 1906 husband 's ascession      14 may 1912 husband 's death  frederick viii
2  alexandrine of mecklenburg - schwerin  24 december 1879  26 april 1898       14 may 1912 husband 's ascession    20 april 1947 husband 's death     christian x
3                       ingrid of sweden     28 march 1910    24 may 1935     20 april 1947 husband 's ascession  14 january 1972 husband 's death    frederick ix
4           henri de laborde de monpezat      11 june 1934   10 june 1967                        14 january 1972                         incumbent    margrethe ii

Table as JSON:
{"name":{"0":"louise of hesse - kassel","1":"louise of sweden","2":"alexandrine of mecklenburg - schwerin","3":"ingrid of sweden","4":"henri de laborde de monpezat"},"birth":{"0":"7 september 1817","1":"31 october 1851","2":"24 december 1879","3":"28 march 1910","4":"11 june 1934"},"marriage":{"0":"26 may 1842","1":"28 july 1869","2":"26 april 1898","3":"24 may 1935","4":"10 june 1967"},"became consort":{"0":"15 november 1863 husband 's ascession","1":"29 january 1906 husband 's ascession","2":"14 may 1912 husband 's ascession","3":"20 april 1947 husband 's ascession","4":"14 january 1972"},"ceased to be consort":{"0":"29 september 1898","1":"14 may 1912 husband 's death","2":"20 april 1947 husband 's death","3":"14 january 1972 husband 's death","4":"incumbent"},"spouse":{"0":"christian ix","1":"frederick viii","2":"christian x","3":"frederick ix","4":"margrethe ii"}}