Abû 'Umar ibn Sa'îd died in 1287.
"Ab" means father in Aramaic. "Die" is not a known Aramaic word, so the meaning of "Ab die" is unclear.
Maredudd ab Owain ab Edwin died in 1072.
Ab Gowanlock died in 1988.
Ab Tresling died in 1980.
Ab Wright died in 1995.
the word daughter is written بنت in Arabic.
Yes, AB Guthrie died on None
Goronwy ab Ednyfed died in 1268.
Ab van Bemmel died in 1986.
Hywel ab Owain died in 1043.
Theodor Ab Yberg died in 1869.
Thomas ab Owen died in 1575.