...
<!--  elements  to order first-->
<xsl:apply-templates select="given-names"/>
<xsl:apply-templates select="surname"/>
<!--  others elements -->
<xsl:apply-templates select="*[not(self::given-names or self::surname)]"/>
...

This is untested.
(I change "./surname" to "surname" because it's the same)

Thanks Pankaj,

I required to specify all the elements in the this template.

Without specifying the all elements, Is there any other way to order the output node?

.....
<xsl:apply-templates select="./given-names"/>
<xsl:apply-templates select="./surname"/>
<xsl:apply-templates select="./degrees"/>
.....

Note: All other input element order are the same in output except surname and given-names.

Regards,

Ramkumar

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Matthieu Ricaud
IGS-CP
Service Livre numirique