ur 1st son is under kalasarpa yoga.
he'll have difficulties in career and health.
2nd son will fare better.

i understand sanskrit but i read translations of those verses to learn astrology

Jupiter & Venus

jupiter & venus are the only planets who are default good planets and give wisdom and comforts to a human/place.

1.jupiter trine venus : her jupiter and venus are in trine(in 5 or 9 houses wrt each other).
this is the best combo and gives great lift to any chart.
this person is down to earth, lives in comforts, successfull in every area, great yogi, good control over many things.
Capable of Expressing deep love and is always caring for ppl they know.

2. jupiter square venus : when jupiter is in 4,7,10 places wrt venus. they are fickle minded, worry a lot about many unnecessary thingz and are weak in decision making.

3. jupiter in 6,8 wrt venus : lacking physical comforts, bad family life, disturbed psychology, suicide tendencies, depressed life.

4. jupiter in 2,12 wrt venus : average life

Others & VENUS(conjuct or view)

1. Mars :(views 4,7,8 houses from its position) this too bad bcoz mars denotes physical energy and its conjuction with venus though indicates great sexual power, will definitely force the person to have many such affairs.(only exception can be a well placed jupiter's conjuct or view on this combo)
else this person will have strong sexual drive and sometimes t gets out of control

2. moon(views 7 only) : good combo if moon is close to a fullmoon day. inclined towards arts,music,literature,movies,fantasies.
bad moon/venus will drive towards opp. like porno movies etc

3. jupiter(see above post)

4. sun (views 7 only) : ok if venus is atleast 10degrees away from sun.
earns money from arts,literature,poetry,media.
goes against father's wish and marries(if venus is stronger)
or
can obey father's wish and dump his love(if sun is stronger)

5. mercury(views 7 only) : writer,observer,listener,thoughtful, musician,orator all these only if both are well placed

6. saturn (views 3,7,10 houses from its position) : extra marital affairs, especially with ppl below his/her standard of life. will be forced to have sex in dirty places.
(only exception is saturn in libra,capricorn,aquarius)

7. Rahu (views 7 only) : skin diseases, early wrinkles, premature hair fall/grey. disturbing sex life

8. Ketu ((views 7 only) : weak vitality, low sperm/overies count. dull spouse/partner