Familysearch.org shows a Mathias Svendsen and his wife Pouline Danielsdr had a child, Marthe Magrethe Schou Matiasen, 1822 in Bo, Nordland, Norway.
https://familysearch.org/pal:/MM9.1.1/N4KN-944There is NO information known to us here that would link that couple to you at all because you have not provided any.
Also that couple does not appear in Bo, Nordland for the 1801 Norwegian census so they are likely to have come from another area.