Help to find may old people

I looking for my grand grand mothers brother and sister.They name are Isak Anne Maria born 29 des.1858. Anton Martinius born 29 jan.1861. Cristine born 17 april 1863. Hanna Cecilie born 23 des.1865.They last name was Eskilson and Eskildatter.Here in Norway they took name Isaksen.Fathers name is Eskil Isaksen.They was born in Glemmen to day Fredrikstad in Norway. I look to my grandfather brother and sister.Ole Wilhelm born 3 feb.1884. Martha born 16 april 1894 Husband Fred Poulsen. Tora Signore born 16 april 1896.Husband Adolph Antonsen.They last name was Olsen.They was born in Fredrikshald to day Halden in Norway.