How to find Duplicate foreign keys

;WITH FKData AS
(
    SELECT  
        fk.parent_object_id,
        fkc.parent_column_id,
        fk.referenced_object_id,
        fkc.referenced_column_id,
        FKCount = COUNT(*)
    FROM 
         sys.foreign_keys fk
    INNER JOIN 
         sys.foreign_key_columns fkc ON fkc.constraint_object_id = fk.object_id
    GROUP BY 
         fk.parent_object_id, fkc.parent_column_id, fk.referenced_object_id, fkc.referenced_column_id
    HAVING 
         COUNT(*) > 1
),
DuplicateFK AS
(
    SELECT
  		ROW_NUMBER() OVER(Partition by s1.Name,t1.Name,c1.Name,t2.Name,c2.Name ORDER BY s1.Name) AS RowNumber,  
        FKName = fk.Name,
        ParentSchema = s1.Name,
        ParentTable = t1.Name,
        ParentColumn = c1.Name,
        ReferencedTable = t2.Name,
        ReferencedColumn = c2.Name 
    FROM 
        sys.foreign_keys fk
    INNER JOIN 
        sys.foreign_key_columns fkc ON fkc.constraint_object_id = fk.object_id
    INNER JOIN 
        FKData f ON fk.parent_object_id = f.parent_object_id 
                 AND fk.referenced_object_id = f.referenced_object_id 
                 AND fkc.parent_column_id = f.parent_column_id
                 AND fkc.referenced_column_id = f.referenced_column_id
    INNER JOIN 
        sys.tables t1 ON f.parent_object_id = t1.object_id
    INNER JOIN 
        sys.columns c1 ON f.parent_object_id = c1.object_id AND f.parent_column_id = c1.column_id
INNER JOIN 
    sys.schemas s1 ON t1.schema_id = s1.schema_id   
    INNER JOIN 
        sys.tables t2 ON f.referenced_object_id = t2.object_id
    INNER JOIN 
        sys.columns c2 ON f.referenced_object_id = c2.object_id AND f.referenced_column_id = c2.column_id
)
SELECT
	RowNumber,
    FKName,
    ParentSchema, ParentTable, ParentColumn, 
    ReferencedTable, ReferencedColumn,
    DropStmt = 'ALTER TABLE ' + ParentSchema + '.' + ParentTable + 
               ' DROP CONSTRAINT ' + FKName
FROM 
    DuplicateFK where RowNumber>1