It gives me immense pleasure to cordially Invite you and your family on the auspicious occasion of my brother's marriage. To help you extend invitations, we have samples on how to write a letter to your friend to invite to your brother's wedding for you.We (the groom's family) are happy to invite you to our holy solemnisation. Mark the date (day) and (the site). Invite your relatives to your brother's wedding with these heartfelt messages. You are warmly invited to celebrate my brother's wedding with us. How to write a letter inviting my brother who lives in Haiti to attend my wedding in the US? Gustav Eriksson Vasa (12 May 1496 – 29 September 1560), also known as Gustav I, was King of Sweden from 1523 until his death in 1560. The king was an important patron of the arts especially in the field of music.