As I understand it Iwan and Ifan are versions of Ieuan.
I think you mean Ieuan instead of Iuean! :) Ewan perhaps?
Iwan Edwards was born in 1937.
Iwan Babij was born in 1893.
Iwan Babij died in 1934.
Iwan Knorr died in 1916.
Iwan Knorr was born in 1853.
Iwan Pylypow died in 1936.
Iwan Pylypow was born in 1859.
Iwan Bloch died in 1922.
Iwan Bloch was born in 1872.
Iwan B was born in 1984.
Iwan Thomas was born in 1974.