The Mandailing people are the follower of exogamy custom, means a
Mandailing man is taboo to marry with the woman who has the same family name. If it is occured the intertribal marriage that recognized with term kawin
semarga, so that, the people have broken Patik-Patik ni Paradaton the customary law. So, the people will get the custom sunction. There are two
types of sanction, that is; dissipated from the village or cutting a baffalo to feting the villager. In rituality, after betel is served to a custom leaders who are
present and the baffalo has been slaughtered. Then the delegation of family extends the apologize for the mistake. After that, the problem has been solved.
3.2. The Role and The Function of Family Names In Mandailing Custom
Society
The family name in Mandailng custom society has an important role in determining someone position in daily life, family and society which is
known as a rule systerm in custom Dalihan na Tolu, so that the persons involved can behave and speak well. All of the rules automatically may not be
broken and disregarding. If someone breaks and regards it, so heshe will get the custom sanction.
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In custom institution Dalihann na Tolu that consists of elements of Suhut and Kahanggi, Anak Boru, and Mora, all of that are a unity which is
inseperable one and anothers. a
Suhut is the party that hold position as the host in each successive of ritualities.
b Anak Boru is the party that hold position as the family which takes the
wife from the Suhut side. c
And Mora is the party which gives Boru the missy becoming wife from the Suhut side.
To know who are being as Suhut, Anak Boru or Mora, and then, it will be classified depending on their each family names. This matter continously will be
guided by Mandailing people although there is no relation of marriage again at the next generation. That is why, if someone has become a family member, but heshe
not yet has a identity of family name, that can be given the family name to himher in order that hisher position in a family becomes clear, and because of
that the family name is something very important in Mandailing custom society. Besides that the family name also has function as showing identity, that
is:
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a Identity of Descendant
Generally, the family name can become an indicator of identity. For example, Hasibuan, so the people who has family name Hasibuan come from
one descendent. One group of one descendant. In this case, the family name has function as identity of a group of one descendant.
b Identity of Village
To remind provenance, family name is also used as grouping of the village, and also as grouping of a descendant. For example, Matondang comes
from the village kampung Matondang.
c Identiy of Ancestors
To remind of ancestors who is assumed has magic power, they used family name which comes from the
ancestor’s name. For example Hasibuan, their ancestor’s name is Raja Hasibuan.
d Identity to Remind Ancestor’s Magic Power
Nasution comes from word Na Sakti On, this lucky people, to remind the ancestor’s magic power they used their family name Na sakti on Nasution,
with expectation that the ancestor’s magic power is achieved by the descendant
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3.3. The Reason of Giving Family Name
