diff --git a/ClosedXML/Excel/Drawings/IXLMarker.cs b/ClosedXML/Excel/Drawings/IXLMarker.cs
index 048020b..fd52192 100644
--- a/ClosedXML/Excel/Drawings/IXLMarker.cs
+++ b/ClosedXML/Excel/Drawings/IXLMarker.cs
@@ -11,5 +11,15 @@
         Int32 RowId { get; set; }
         Double ColumnOffset { get; set; }
         Double RowOffset { get; set; }
+
+        /// <summary>
+        /// Get the zero-based column number.
+        /// </summary>
+        Int32 GetZeroBasedColumn();
+
+        /// <summary>
+        /// Get the zero-based row number.
+        /// </summary>
+        Int32 GetZeroBasedRow();
     }
 }
diff --git a/ClosedXML/Excel/Drawings/XLMarker.cs b/ClosedXML/Excel/Drawings/XLMarker.cs
index 1ee61ff..1ed01be 100644
--- a/ClosedXML/Excel/Drawings/XLMarker.cs
+++ b/ClosedXML/Excel/Drawings/XLMarker.cs
@@ -16,6 +16,9 @@
         {
             set
             {
+                if (value < 1 || value > XLHelper.MaxColumnNumber)
+                    throw new ArgumentOutOfRangeException(String.Format("Column number must be between 1 and {0}",
+                                                                 XLHelper.MaxColumnNumber));
                 this.colId = value;
             }
             get
@@ -28,6 +31,9 @@
         {
             set
             {
+                if (value < 1 || value > XLHelper.MaxRowNumber)
+                    throw new ArgumentOutOfRangeException(String.Format("Row number must be between 1 and {0}",
+                                                                 XLHelper.MaxRowNumber));
                 this.rowId = value;
             }
             get
@@ -59,5 +65,15 @@
                 return this.rowOffset;
             }
         }
+
+        public Int32 GetZeroBasedColumn()
+        {
+            return colId - 1;
+        }
+
+        public Int32 GetZeroBasedRow()
+        {
+            return rowId - 1;
+        }
     }
 }
diff --git a/ClosedXML/Excel/XLWorkbook_Save.cs b/ClosedXML/Excel/XLWorkbook_Save.cs
index 0237a65..fd42245 100644
--- a/ClosedXML/Excel/XLWorkbook_Save.cs
+++ b/ClosedXML/Excel/XLWorkbook_Save.cs
@@ -2579,15 +2579,15 @@
                 {
                     fMark = new Xdr.FromMarker
                     {
-                        ColumnId = new Xdr.ColumnId(markers[0].ColumnId.ToString()),
-                        RowId = new Xdr.RowId(markers[0].RowId.ToString()),
+                        ColumnId = new Xdr.ColumnId(markers[0].GetZeroBasedColumn().ToString()),
+                        RowId = new Xdr.RowId(markers[0].GetZeroBasedRow().ToString()),
                         ColumnOffset = new Xdr.ColumnOffset((markers[0].ColumnOffset + picture.OffsetX).ToString()),
                         RowOffset = new Xdr.RowOffset((markers[0].RowOffset + picture.OffsetY).ToString())
                     };
                     tMark = new Xdr.ToMarker
                     {
-                        ColumnId = new Xdr.ColumnId(markers[1].ColumnId.ToString()),
-                        RowId = new Xdr.RowId(markers[1].RowId.ToString()),
+                        ColumnId = new Xdr.ColumnId(markers[1].GetZeroBasedColumn().ToString()),
+                        RowId = new Xdr.RowId(markers[1].GetZeroBasedRow().ToString()),
                         ColumnOffset = new Xdr.ColumnOffset((markers[1].ColumnOffset + picture.OffsetX).ToString()),
                         RowOffset = new Xdr.RowOffset((markers[1].RowOffset + picture.OffsetY).ToString())
                     };
@@ -2622,8 +2622,8 @@
                 {
                     fMark = new Xdr.FromMarker
                     {
-                        ColumnId = new Xdr.ColumnId(markers[0].ColumnId.ToString()),
-                        RowId = new Xdr.RowId(markers[0].RowId.ToString()),
+                        ColumnId = new Xdr.ColumnId(markers[0].GetZeroBasedColumn().ToString()),
+                        RowId = new Xdr.RowId(markers[0].GetZeroBasedRow().ToString()),
                         ColumnOffset = new Xdr.ColumnOffset((markers[0].ColumnOffset + picture.OffsetX).ToString()),
                         RowOffset = new Xdr.RowOffset((markers[0].RowOffset + picture.OffsetY).ToString())
                     };
diff --git a/ClosedXML_Examples/ImageHandling/ImageAnchors.cs b/ClosedXML_Examples/ImageHandling/ImageAnchors.cs
index 351ab4b..7425a9f 100644
--- a/ClosedXML_Examples/ImageHandling/ImageAnchors.cs
+++ b/ClosedXML_Examples/ImageHandling/ImageAnchors.cs
@@ -45,8 +45,8 @@
 
                 pic.AddMarker(new XLMarker
                 {
-                    ColumnId = 0,
-                    RowId = 0
+                    ColumnId = 1,
+                    RowId = 1
                 });
 
                 ws.AddPicture(pic);
@@ -68,14 +68,14 @@
 
                 pic.AddMarker(new XLMarker
                 {
-                    ColumnId = 4,
-                    RowId = 5
+                    ColumnId = 5,
+                    RowId = 6
                 });
 
                 pic.AddMarker(new XLMarker
                 {
-                    ColumnId = 6,
-                    RowId = 8
+                    ColumnId = 7,
+                    RowId = 9
                 });
                 ws.AddPicture(pic);
                 #endregion
diff --git a/ClosedXML_Examples/ImageHandling/ImageFormats.cs b/ClosedXML_Examples/ImageHandling/ImageFormats.cs
index c420bb7..68d0bb0 100644
--- a/ClosedXML_Examples/ImageHandling/ImageFormats.cs
+++ b/ClosedXML_Examples/ImageHandling/ImageFormats.cs
@@ -30,8 +30,8 @@
 
                 pic.AddMarker(new XLMarker
                 {
-                    ColumnId = 0,
-                    RowId = 0
+                    ColumnId = 1,
+                    RowId = 1
                 });
 
                 ws.AddPicture(pic);
@@ -54,8 +54,8 @@
 
                 pic.AddMarker(new XLMarker
                 {
-                    ColumnId = 0,
-                    RowId = 0
+                    ColumnId = 1,
+                    RowId = 1
                 });
 
                 ws.AddPicture(pic);