How to get value based on position of special character string in a column

I have a table like this [quote]Col1 Col2Adam 1Barbara, Catherina 1Barbara, Catherina 2Adam, Catherina 1Adam, Catherina 2Barbara, Adam, Daniela 1Barbara, Adam, Daniela 2Barbara, Adam, Daniela 3[/quote]Need a select statement to populate Col3 like shown below[quote]Col1 Col2 Col 3Adam 1 AdamBarbara, Catherina 1 BarbaraBarbara, Catherina 2 CatherinaAdam, Catherina 1 AdamAdam, Catherina 2 CatherinaBarbara, Adam, Daniela 1 BarbaraBarbara, Adam, Daniela 2 AdamBarbara, Adam, Daniela 3 Daniela[/quote]I tried using SUBSTRING & CHARINDEX but was not able to fid the solution. Need a SQL where we can pass Col2 value and populate Col3.Uploaded the sample table as attachment.Please help.Thank you, Vikram